1 /* 2 * Marvell Wireless LAN device driver: CFG80211 3 * 4 * Copyright (C) 2011-2014, Marvell International Ltd. 5 * 6 * This software file (the "File") is distributed by Marvell International 7 * Ltd. under the terms of the GNU General Public License Version 2, June 1991 8 * (the "License"). You may use, redistribute and/or modify this File in 9 * accordance with the terms and conditions of the License, a copy of which 10 * is available by writing to the Free Software Foundation, Inc., 11 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA or on the 12 * worldwide web at http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. 13 * 14 * THE FILE IS DISTRIBUTED AS-IS, WITHOUT WARRANTY OF ANY KIND, AND THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE 16 * ARE EXPRESSLY DISCLAIMED. The License provides additional details about 17 * this warranty disclaimer. 18 */ 19 20 #include "cfg80211.h" 21 #include "main.h" 22 #include "11n.h" 23 #include "wmm.h" 24 25 static char *reg_alpha2; 26 module_param(reg_alpha2, charp, 0); 27 28 static const struct ieee80211_iface_limit mwifiex_ap_sta_limits[] = { 29 { 30 .max = 3, .types = BIT(NL80211_IFTYPE_STATION) | 31 BIT(NL80211_IFTYPE_P2P_GO) | 32 BIT(NL80211_IFTYPE_P2P_CLIENT) | 33 BIT(NL80211_IFTYPE_AP), 34 }, 35 }; 36 37 static const struct ieee80211_iface_combination 38 mwifiex_iface_comb_ap_sta = { 39 .limits = mwifiex_ap_sta_limits, 40 .num_different_channels = 1, 41 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 42 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 43 .beacon_int_infra_match = true, 44 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 45 BIT(NL80211_CHAN_WIDTH_20) | 46 BIT(NL80211_CHAN_WIDTH_40), 47 }; 48 49 static const struct ieee80211_iface_combination 50 mwifiex_iface_comb_ap_sta_vht = { 51 .limits = mwifiex_ap_sta_limits, 52 .num_different_channels = 1, 53 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 54 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 55 .beacon_int_infra_match = true, 56 .radar_detect_widths = BIT(NL80211_CHAN_WIDTH_20_NOHT) | 57 BIT(NL80211_CHAN_WIDTH_20) | 58 BIT(NL80211_CHAN_WIDTH_40) | 59 BIT(NL80211_CHAN_WIDTH_80), 60 }; 61 62 static const struct 63 ieee80211_iface_combination mwifiex_iface_comb_ap_sta_drcs = { 64 .limits = mwifiex_ap_sta_limits, 65 .num_different_channels = 2, 66 .n_limits = ARRAY_SIZE(mwifiex_ap_sta_limits), 67 .max_interfaces = MWIFIEX_MAX_BSS_NUM, 68 .beacon_int_infra_match = true, 69 }; 70 71 /* 72 * This function maps the nl802.11 channel type into driver channel type. 73 * 74 * The mapping is as follows - 75 * NL80211_CHAN_NO_HT -> IEEE80211_HT_PARAM_CHA_SEC_NONE 76 * NL80211_CHAN_HT20 -> IEEE80211_HT_PARAM_CHA_SEC_NONE 77 * NL80211_CHAN_HT40PLUS -> IEEE80211_HT_PARAM_CHA_SEC_ABOVE 78 * NL80211_CHAN_HT40MINUS -> IEEE80211_HT_PARAM_CHA_SEC_BELOW 79 * Others -> IEEE80211_HT_PARAM_CHA_SEC_NONE 80 */ 81 u8 mwifiex_chan_type_to_sec_chan_offset(enum nl80211_channel_type chan_type) 82 { 83 switch (chan_type) { 84 case NL80211_CHAN_NO_HT: 85 case NL80211_CHAN_HT20: 86 return IEEE80211_HT_PARAM_CHA_SEC_NONE; 87 case NL80211_CHAN_HT40PLUS: 88 return IEEE80211_HT_PARAM_CHA_SEC_ABOVE; 89 case NL80211_CHAN_HT40MINUS: 90 return IEEE80211_HT_PARAM_CHA_SEC_BELOW; 91 default: 92 return IEEE80211_HT_PARAM_CHA_SEC_NONE; 93 } 94 } 95 96 /* This function maps IEEE HT secondary channel type to NL80211 channel type 97 */ 98 u8 mwifiex_sec_chan_offset_to_chan_type(u8 second_chan_offset) 99 { 100 switch (second_chan_offset) { 101 case IEEE80211_HT_PARAM_CHA_SEC_NONE: 102 return NL80211_CHAN_HT20; 103 case IEEE80211_HT_PARAM_CHA_SEC_ABOVE: 104 return NL80211_CHAN_HT40PLUS; 105 case IEEE80211_HT_PARAM_CHA_SEC_BELOW: 106 return NL80211_CHAN_HT40MINUS; 107 default: 108 return NL80211_CHAN_HT20; 109 } 110 } 111 112 /* 113 * This function checks whether WEP is set. 114 */ 115 static int 116 mwifiex_is_alg_wep(u32 cipher) 117 { 118 switch (cipher) { 119 case WLAN_CIPHER_SUITE_WEP40: 120 case WLAN_CIPHER_SUITE_WEP104: 121 return 1; 122 default: 123 break; 124 } 125 126 return 0; 127 } 128 129 /* 130 * This function retrieves the private structure from kernel wiphy structure. 131 */ 132 static void *mwifiex_cfg80211_get_adapter(struct wiphy *wiphy) 133 { 134 return (void *) (*(unsigned long *) wiphy_priv(wiphy)); 135 } 136 137 /* 138 * CFG802.11 operation handler to delete a network key. 139 */ 140 static int 141 mwifiex_cfg80211_del_key(struct wiphy *wiphy, struct net_device *netdev, 142 u8 key_index, bool pairwise, const u8 *mac_addr) 143 { 144 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 145 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 146 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 147 148 if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, peer_mac, 1)) { 149 mwifiex_dbg(priv->adapter, ERROR, "deleting the crypto keys\n"); 150 return -EFAULT; 151 } 152 153 mwifiex_dbg(priv->adapter, INFO, "info: crypto keys deleted\n"); 154 return 0; 155 } 156 157 /* 158 * This function forms an skb for management frame. 159 */ 160 static int 161 mwifiex_form_mgmt_frame(struct sk_buff *skb, const u8 *buf, size_t len) 162 { 163 u8 addr[ETH_ALEN] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; 164 u16 pkt_len; 165 u32 tx_control = 0, pkt_type = PKT_TYPE_MGMT; 166 167 pkt_len = len + ETH_ALEN; 168 169 skb_reserve(skb, MWIFIEX_MIN_DATA_HEADER_LEN + 170 MWIFIEX_MGMT_FRAME_HEADER_SIZE + sizeof(pkt_len)); 171 memcpy(skb_push(skb, sizeof(pkt_len)), &pkt_len, sizeof(pkt_len)); 172 173 memcpy(skb_push(skb, sizeof(tx_control)), 174 &tx_control, sizeof(tx_control)); 175 176 memcpy(skb_push(skb, sizeof(pkt_type)), &pkt_type, sizeof(pkt_type)); 177 178 /* Add packet data and address4 */ 179 memcpy(skb_put(skb, sizeof(struct ieee80211_hdr_3addr)), buf, 180 sizeof(struct ieee80211_hdr_3addr)); 181 memcpy(skb_put(skb, ETH_ALEN), addr, ETH_ALEN); 182 memcpy(skb_put(skb, len - sizeof(struct ieee80211_hdr_3addr)), 183 buf + sizeof(struct ieee80211_hdr_3addr), 184 len - sizeof(struct ieee80211_hdr_3addr)); 185 186 skb->priority = LOW_PRIO_TID; 187 __net_timestamp(skb); 188 189 return 0; 190 } 191 192 /* 193 * CFG802.11 operation handler to transmit a management frame. 194 */ 195 static int 196 mwifiex_cfg80211_mgmt_tx(struct wiphy *wiphy, struct wireless_dev *wdev, 197 struct cfg80211_mgmt_tx_params *params, u64 *cookie) 198 { 199 const u8 *buf = params->buf; 200 size_t len = params->len; 201 struct sk_buff *skb; 202 u16 pkt_len; 203 const struct ieee80211_mgmt *mgmt; 204 struct mwifiex_txinfo *tx_info; 205 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 206 207 if (!buf || !len) { 208 mwifiex_dbg(priv->adapter, ERROR, "invalid buffer and length\n"); 209 return -EFAULT; 210 } 211 212 mgmt = (const struct ieee80211_mgmt *)buf; 213 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA && 214 ieee80211_is_probe_resp(mgmt->frame_control)) { 215 /* Since we support offload probe resp, we need to skip probe 216 * resp in AP or GO mode */ 217 mwifiex_dbg(priv->adapter, INFO, 218 "info: skip to send probe resp in AP or GO mode\n"); 219 return 0; 220 } 221 222 pkt_len = len + ETH_ALEN; 223 skb = dev_alloc_skb(MWIFIEX_MIN_DATA_HEADER_LEN + 224 MWIFIEX_MGMT_FRAME_HEADER_SIZE + 225 pkt_len + sizeof(pkt_len)); 226 227 if (!skb) { 228 mwifiex_dbg(priv->adapter, ERROR, 229 "allocate skb failed for management frame\n"); 230 return -ENOMEM; 231 } 232 233 tx_info = MWIFIEX_SKB_TXCB(skb); 234 memset(tx_info, 0, sizeof(*tx_info)); 235 tx_info->bss_num = priv->bss_num; 236 tx_info->bss_type = priv->bss_type; 237 tx_info->pkt_len = pkt_len; 238 239 mwifiex_form_mgmt_frame(skb, buf, len); 240 *cookie = prandom_u32() | 1; 241 242 if (ieee80211_is_action(mgmt->frame_control)) 243 skb = mwifiex_clone_skb_for_tx_status(priv, 244 skb, 245 MWIFIEX_BUF_FLAG_ACTION_TX_STATUS, cookie); 246 else 247 cfg80211_mgmt_tx_status(wdev, *cookie, buf, len, true, 248 GFP_ATOMIC); 249 250 mwifiex_queue_tx_pkt(priv, skb); 251 252 mwifiex_dbg(priv->adapter, INFO, "info: management frame transmitted\n"); 253 return 0; 254 } 255 256 /* 257 * CFG802.11 operation handler to register a mgmt frame. 258 */ 259 static void 260 mwifiex_cfg80211_mgmt_frame_register(struct wiphy *wiphy, 261 struct wireless_dev *wdev, 262 u16 frame_type, bool reg) 263 { 264 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 265 u32 mask; 266 267 if (reg) 268 mask = priv->mgmt_frame_mask | BIT(frame_type >> 4); 269 else 270 mask = priv->mgmt_frame_mask & ~BIT(frame_type >> 4); 271 272 if (mask != priv->mgmt_frame_mask) { 273 priv->mgmt_frame_mask = mask; 274 mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 275 HostCmd_ACT_GEN_SET, 0, 276 &priv->mgmt_frame_mask, false); 277 mwifiex_dbg(priv->adapter, INFO, "info: mgmt frame registered\n"); 278 } 279 } 280 281 /* 282 * CFG802.11 operation handler to remain on channel. 283 */ 284 static int 285 mwifiex_cfg80211_remain_on_channel(struct wiphy *wiphy, 286 struct wireless_dev *wdev, 287 struct ieee80211_channel *chan, 288 unsigned int duration, u64 *cookie) 289 { 290 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 291 int ret; 292 293 if (!chan || !cookie) { 294 mwifiex_dbg(priv->adapter, ERROR, "Invalid parameter for ROC\n"); 295 return -EINVAL; 296 } 297 298 if (priv->roc_cfg.cookie) { 299 mwifiex_dbg(priv->adapter, INFO, 300 "info: ongoing ROC, cookie = 0x%llx\n", 301 priv->roc_cfg.cookie); 302 return -EBUSY; 303 } 304 305 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_SET, chan, 306 duration); 307 308 if (!ret) { 309 *cookie = prandom_u32() | 1; 310 priv->roc_cfg.cookie = *cookie; 311 priv->roc_cfg.chan = *chan; 312 313 cfg80211_ready_on_channel(wdev, *cookie, chan, 314 duration, GFP_ATOMIC); 315 316 mwifiex_dbg(priv->adapter, INFO, 317 "info: ROC, cookie = 0x%llx\n", *cookie); 318 } 319 320 return ret; 321 } 322 323 /* 324 * CFG802.11 operation handler to cancel remain on channel. 325 */ 326 static int 327 mwifiex_cfg80211_cancel_remain_on_channel(struct wiphy *wiphy, 328 struct wireless_dev *wdev, u64 cookie) 329 { 330 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 331 int ret; 332 333 if (cookie != priv->roc_cfg.cookie) 334 return -ENOENT; 335 336 ret = mwifiex_remain_on_chan_cfg(priv, HostCmd_ACT_GEN_REMOVE, 337 &priv->roc_cfg.chan, 0); 338 339 if (!ret) { 340 cfg80211_remain_on_channel_expired(wdev, cookie, 341 &priv->roc_cfg.chan, 342 GFP_ATOMIC); 343 344 memset(&priv->roc_cfg, 0, sizeof(struct mwifiex_roc_cfg)); 345 346 mwifiex_dbg(priv->adapter, INFO, 347 "info: cancel ROC, cookie = 0x%llx\n", cookie); 348 } 349 350 return ret; 351 } 352 353 /* 354 * CFG802.11 operation handler to set Tx power. 355 */ 356 static int 357 mwifiex_cfg80211_set_tx_power(struct wiphy *wiphy, 358 struct wireless_dev *wdev, 359 enum nl80211_tx_power_setting type, 360 int mbm) 361 { 362 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 363 struct mwifiex_private *priv; 364 struct mwifiex_power_cfg power_cfg; 365 int dbm = MBM_TO_DBM(mbm); 366 367 if (type == NL80211_TX_POWER_FIXED) { 368 power_cfg.is_power_auto = 0; 369 power_cfg.power_level = dbm; 370 } else { 371 power_cfg.is_power_auto = 1; 372 } 373 374 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 375 376 return mwifiex_set_tx_power(priv, &power_cfg); 377 } 378 379 /* 380 * CFG802.11 operation handler to get Tx power. 381 */ 382 static int 383 mwifiex_cfg80211_get_tx_power(struct wiphy *wiphy, 384 struct wireless_dev *wdev, 385 int *dbm) 386 { 387 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 388 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 389 MWIFIEX_BSS_ROLE_ANY); 390 int ret = mwifiex_send_cmd(priv, HostCmd_CMD_RF_TX_PWR, 391 HostCmd_ACT_GEN_GET, 0, NULL, true); 392 393 if (ret < 0) 394 return ret; 395 396 /* tx_power_level is set in HostCmd_CMD_RF_TX_PWR command handler */ 397 *dbm = priv->tx_power_level; 398 399 return 0; 400 } 401 402 /* 403 * CFG802.11 operation handler to set Power Save option. 404 * 405 * The timeout value, if provided, is currently ignored. 406 */ 407 static int 408 mwifiex_cfg80211_set_power_mgmt(struct wiphy *wiphy, 409 struct net_device *dev, 410 bool enabled, int timeout) 411 { 412 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 413 u32 ps_mode; 414 415 if (timeout) 416 mwifiex_dbg(priv->adapter, INFO, 417 "info: ignore timeout value for IEEE Power Save\n"); 418 419 ps_mode = enabled; 420 421 return mwifiex_drv_set_power(priv, &ps_mode); 422 } 423 424 /* 425 * CFG802.11 operation handler to set the default network key. 426 */ 427 static int 428 mwifiex_cfg80211_set_default_key(struct wiphy *wiphy, struct net_device *netdev, 429 u8 key_index, bool unicast, 430 bool multicast) 431 { 432 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 433 434 /* Return if WEP key not configured */ 435 if (!priv->sec_info.wep_enabled) 436 return 0; 437 438 if (priv->bss_type == MWIFIEX_BSS_TYPE_UAP) { 439 priv->wep_key_curr_index = key_index; 440 } else if (mwifiex_set_encode(priv, NULL, NULL, 0, key_index, 441 NULL, 0)) { 442 mwifiex_dbg(priv->adapter, ERROR, "set default Tx key index\n"); 443 return -EFAULT; 444 } 445 446 return 0; 447 } 448 449 /* 450 * CFG802.11 operation handler to add a network key. 451 */ 452 static int 453 mwifiex_cfg80211_add_key(struct wiphy *wiphy, struct net_device *netdev, 454 u8 key_index, bool pairwise, const u8 *mac_addr, 455 struct key_params *params) 456 { 457 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 458 struct mwifiex_wep_key *wep_key; 459 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff}; 460 const u8 *peer_mac = pairwise ? mac_addr : bc_mac; 461 462 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 463 (params->cipher == WLAN_CIPHER_SUITE_WEP40 || 464 params->cipher == WLAN_CIPHER_SUITE_WEP104)) { 465 if (params->key && params->key_len) { 466 wep_key = &priv->wep_key[key_index]; 467 memset(wep_key, 0, sizeof(struct mwifiex_wep_key)); 468 memcpy(wep_key->key_material, params->key, 469 params->key_len); 470 wep_key->key_index = key_index; 471 wep_key->key_length = params->key_len; 472 priv->sec_info.wep_enabled = 1; 473 } 474 return 0; 475 } 476 477 if (mwifiex_set_encode(priv, params, params->key, params->key_len, 478 key_index, peer_mac, 0)) { 479 mwifiex_dbg(priv->adapter, ERROR, "crypto keys added\n"); 480 return -EFAULT; 481 } 482 483 return 0; 484 } 485 486 /* 487 * CFG802.11 operation handler to set default mgmt key. 488 */ 489 static int 490 mwifiex_cfg80211_set_default_mgmt_key(struct wiphy *wiphy, 491 struct net_device *netdev, 492 u8 key_index) 493 { 494 struct mwifiex_private *priv = mwifiex_netdev_get_priv(netdev); 495 struct mwifiex_ds_encrypt_key encrypt_key; 496 497 wiphy_dbg(wiphy, "set default mgmt key, key index=%d\n", key_index); 498 499 memset(&encrypt_key, 0, sizeof(struct mwifiex_ds_encrypt_key)); 500 encrypt_key.key_len = WLAN_KEY_LEN_CCMP; 501 encrypt_key.key_index = key_index; 502 encrypt_key.is_igtk_def_key = true; 503 eth_broadcast_addr(encrypt_key.mac_addr); 504 505 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_KEY_MATERIAL, 506 HostCmd_ACT_GEN_SET, true, &encrypt_key, true); 507 } 508 509 /* 510 * This function sends domain information to the firmware. 511 * 512 * The following information are passed to the firmware - 513 * - Country codes 514 * - Sub bands (first channel, number of channels, maximum Tx power) 515 */ 516 int mwifiex_send_domain_info_cmd_fw(struct wiphy *wiphy) 517 { 518 u8 no_of_triplet = 0; 519 struct ieee80211_country_ie_triplet *t; 520 u8 no_of_parsed_chan = 0; 521 u8 first_chan = 0, next_chan = 0, max_pwr = 0; 522 u8 i, flag = 0; 523 enum nl80211_band band; 524 struct ieee80211_supported_band *sband; 525 struct ieee80211_channel *ch; 526 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 527 struct mwifiex_private *priv; 528 struct mwifiex_802_11d_domain_reg *domain_info = &adapter->domain_reg; 529 530 /* Set country code */ 531 domain_info->country_code[0] = adapter->country_code[0]; 532 domain_info->country_code[1] = adapter->country_code[1]; 533 domain_info->country_code[2] = ' '; 534 535 band = mwifiex_band_to_radio_type(adapter->config_bands); 536 if (!wiphy->bands[band]) { 537 mwifiex_dbg(adapter, ERROR, 538 "11D: setting domain info in FW\n"); 539 return -1; 540 } 541 542 sband = wiphy->bands[band]; 543 544 for (i = 0; i < sband->n_channels ; i++) { 545 ch = &sband->channels[i]; 546 if (ch->flags & IEEE80211_CHAN_DISABLED) 547 continue; 548 549 if (!flag) { 550 flag = 1; 551 first_chan = (u32) ch->hw_value; 552 next_chan = first_chan; 553 max_pwr = ch->max_power; 554 no_of_parsed_chan = 1; 555 continue; 556 } 557 558 if (ch->hw_value == next_chan + 1 && 559 ch->max_power == max_pwr) { 560 next_chan++; 561 no_of_parsed_chan++; 562 } else { 563 t = &domain_info->triplet[no_of_triplet]; 564 t->chans.first_channel = first_chan; 565 t->chans.num_channels = no_of_parsed_chan; 566 t->chans.max_power = max_pwr; 567 no_of_triplet++; 568 first_chan = (u32) ch->hw_value; 569 next_chan = first_chan; 570 max_pwr = ch->max_power; 571 no_of_parsed_chan = 1; 572 } 573 } 574 575 if (flag) { 576 t = &domain_info->triplet[no_of_triplet]; 577 t->chans.first_channel = first_chan; 578 t->chans.num_channels = no_of_parsed_chan; 579 t->chans.max_power = max_pwr; 580 no_of_triplet++; 581 } 582 583 domain_info->no_of_triplet = no_of_triplet; 584 585 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 586 587 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11D_DOMAIN_INFO, 588 HostCmd_ACT_GEN_SET, 0, NULL, false)) { 589 mwifiex_dbg(adapter, INFO, 590 "11D: setting domain info in FW\n"); 591 return -1; 592 } 593 594 return 0; 595 } 596 597 /* 598 * CFG802.11 regulatory domain callback function. 599 * 600 * This function is called when the regulatory domain is changed due to the 601 * following reasons - 602 * - Set by driver 603 * - Set by system core 604 * - Set by user 605 * - Set bt Country IE 606 */ 607 static void mwifiex_reg_notifier(struct wiphy *wiphy, 608 struct regulatory_request *request) 609 { 610 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 611 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 612 MWIFIEX_BSS_ROLE_ANY); 613 mwifiex_dbg(adapter, INFO, 614 "info: cfg80211 regulatory domain callback for %c%c\n", 615 request->alpha2[0], request->alpha2[1]); 616 617 switch (request->initiator) { 618 case NL80211_REGDOM_SET_BY_DRIVER: 619 case NL80211_REGDOM_SET_BY_CORE: 620 case NL80211_REGDOM_SET_BY_USER: 621 case NL80211_REGDOM_SET_BY_COUNTRY_IE: 622 break; 623 default: 624 mwifiex_dbg(adapter, ERROR, 625 "unknown regdom initiator: %d\n", 626 request->initiator); 627 return; 628 } 629 630 /* Don't send world or same regdom info to firmware */ 631 if (strncmp(request->alpha2, "00", 2) && 632 strncmp(request->alpha2, adapter->country_code, 633 sizeof(request->alpha2))) { 634 memcpy(adapter->country_code, request->alpha2, 635 sizeof(request->alpha2)); 636 mwifiex_send_domain_info_cmd_fw(wiphy); 637 mwifiex_dnld_txpwr_table(priv); 638 } 639 } 640 641 /* 642 * This function sets the fragmentation threshold. 643 * 644 * The fragmentation threshold value must lie between MWIFIEX_FRAG_MIN_VALUE 645 * and MWIFIEX_FRAG_MAX_VALUE. 646 */ 647 static int 648 mwifiex_set_frag(struct mwifiex_private *priv, u32 frag_thr) 649 { 650 if (frag_thr < MWIFIEX_FRAG_MIN_VALUE || 651 frag_thr > MWIFIEX_FRAG_MAX_VALUE) 652 frag_thr = MWIFIEX_FRAG_MAX_VALUE; 653 654 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 655 HostCmd_ACT_GEN_SET, FRAG_THRESH_I, 656 &frag_thr, true); 657 } 658 659 /* 660 * This function sets the RTS threshold. 661 662 * The rts value must lie between MWIFIEX_RTS_MIN_VALUE 663 * and MWIFIEX_RTS_MAX_VALUE. 664 */ 665 static int 666 mwifiex_set_rts(struct mwifiex_private *priv, u32 rts_thr) 667 { 668 if (rts_thr < MWIFIEX_RTS_MIN_VALUE || rts_thr > MWIFIEX_RTS_MAX_VALUE) 669 rts_thr = MWIFIEX_RTS_MAX_VALUE; 670 671 return mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 672 HostCmd_ACT_GEN_SET, RTS_THRESH_I, 673 &rts_thr, true); 674 } 675 676 /* 677 * CFG802.11 operation handler to set wiphy parameters. 678 * 679 * This function can be used to set the RTS threshold and the 680 * Fragmentation threshold of the driver. 681 */ 682 static int 683 mwifiex_cfg80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) 684 { 685 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 686 struct mwifiex_private *priv; 687 struct mwifiex_uap_bss_param *bss_cfg; 688 int ret; 689 690 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_ANY); 691 692 switch (priv->bss_role) { 693 case MWIFIEX_BSS_ROLE_UAP: 694 if (priv->bss_started) { 695 mwifiex_dbg(adapter, ERROR, 696 "cannot change wiphy params when bss started"); 697 return -EINVAL; 698 } 699 700 bss_cfg = kzalloc(sizeof(*bss_cfg), GFP_KERNEL); 701 if (!bss_cfg) 702 return -ENOMEM; 703 704 mwifiex_set_sys_config_invalid_data(bss_cfg); 705 706 if (changed & WIPHY_PARAM_RTS_THRESHOLD) 707 bss_cfg->rts_threshold = wiphy->rts_threshold; 708 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) 709 bss_cfg->frag_threshold = wiphy->frag_threshold; 710 if (changed & WIPHY_PARAM_RETRY_LONG) 711 bss_cfg->retry_limit = wiphy->retry_long; 712 713 ret = mwifiex_send_cmd(priv, HostCmd_CMD_UAP_SYS_CONFIG, 714 HostCmd_ACT_GEN_SET, 715 UAP_BSS_PARAMS_I, bss_cfg, 716 false); 717 718 kfree(bss_cfg); 719 if (ret) { 720 mwifiex_dbg(adapter, ERROR, 721 "Failed to set wiphy phy params\n"); 722 return ret; 723 } 724 break; 725 726 case MWIFIEX_BSS_ROLE_STA: 727 if (priv->media_connected) { 728 mwifiex_dbg(adapter, ERROR, 729 "cannot change wiphy params when connected"); 730 return -EINVAL; 731 } 732 if (changed & WIPHY_PARAM_RTS_THRESHOLD) { 733 ret = mwifiex_set_rts(priv, 734 wiphy->rts_threshold); 735 if (ret) 736 return ret; 737 } 738 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { 739 ret = mwifiex_set_frag(priv, 740 wiphy->frag_threshold); 741 if (ret) 742 return ret; 743 } 744 break; 745 } 746 747 return 0; 748 } 749 750 static int 751 mwifiex_cfg80211_deinit_p2p(struct mwifiex_private *priv) 752 { 753 u16 mode = P2P_MODE_DISABLE; 754 755 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 756 HostCmd_ACT_GEN_SET, 0, &mode, true)) 757 return -1; 758 759 return 0; 760 } 761 762 /* 763 * This function initializes the functionalities for P2P client. 764 * The P2P client initialization sequence is: 765 * disable -> device -> client 766 */ 767 static int 768 mwifiex_cfg80211_init_p2p_client(struct mwifiex_private *priv) 769 { 770 u16 mode; 771 772 if (mwifiex_cfg80211_deinit_p2p(priv)) 773 return -1; 774 775 mode = P2P_MODE_DEVICE; 776 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 777 HostCmd_ACT_GEN_SET, 0, &mode, true)) 778 return -1; 779 780 mode = P2P_MODE_CLIENT; 781 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 782 HostCmd_ACT_GEN_SET, 0, &mode, true)) 783 return -1; 784 785 return 0; 786 } 787 788 /* 789 * This function initializes the functionalities for P2P GO. 790 * The P2P GO initialization sequence is: 791 * disable -> device -> GO 792 */ 793 static int 794 mwifiex_cfg80211_init_p2p_go(struct mwifiex_private *priv) 795 { 796 u16 mode; 797 798 if (mwifiex_cfg80211_deinit_p2p(priv)) 799 return -1; 800 801 mode = P2P_MODE_DEVICE; 802 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 803 HostCmd_ACT_GEN_SET, 0, &mode, true)) 804 return -1; 805 806 mode = P2P_MODE_GO; 807 if (mwifiex_send_cmd(priv, HostCmd_CMD_P2P_MODE_CFG, 808 HostCmd_ACT_GEN_SET, 0, &mode, true)) 809 return -1; 810 811 return 0; 812 } 813 814 static int mwifiex_deinit_priv_params(struct mwifiex_private *priv) 815 { 816 struct mwifiex_adapter *adapter = priv->adapter; 817 unsigned long flags; 818 819 priv->mgmt_frame_mask = 0; 820 if (mwifiex_send_cmd(priv, HostCmd_CMD_MGMT_FRAME_REG, 821 HostCmd_ACT_GEN_SET, 0, 822 &priv->mgmt_frame_mask, false)) { 823 mwifiex_dbg(adapter, ERROR, 824 "could not unregister mgmt frame rx\n"); 825 return -1; 826 } 827 828 mwifiex_deauthenticate(priv, NULL); 829 830 spin_lock_irqsave(&adapter->main_proc_lock, flags); 831 adapter->main_locked = true; 832 if (adapter->mwifiex_processing) { 833 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 834 flush_workqueue(adapter->workqueue); 835 } else { 836 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 837 } 838 839 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 840 adapter->rx_locked = true; 841 if (adapter->rx_processing) { 842 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 843 flush_workqueue(adapter->rx_workqueue); 844 } else { 845 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 846 } 847 848 mwifiex_free_priv(priv); 849 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 850 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 851 priv->sec_info.authentication_mode = NL80211_AUTHTYPE_OPEN_SYSTEM; 852 853 return 0; 854 } 855 856 static int 857 mwifiex_init_new_priv_params(struct mwifiex_private *priv, 858 struct net_device *dev, 859 enum nl80211_iftype type) 860 { 861 struct mwifiex_adapter *adapter = priv->adapter; 862 unsigned long flags; 863 864 mwifiex_init_priv(priv); 865 866 priv->bss_mode = type; 867 priv->wdev.iftype = type; 868 869 mwifiex_init_priv_params(priv, priv->netdev); 870 priv->bss_started = 0; 871 872 switch (type) { 873 case NL80211_IFTYPE_STATION: 874 case NL80211_IFTYPE_ADHOC: 875 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 876 MWIFIEX_BSS_TYPE_STA); 877 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 878 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 879 break; 880 case NL80211_IFTYPE_P2P_CLIENT: 881 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 882 MWIFIEX_BSS_TYPE_P2P); 883 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 884 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 885 break; 886 case NL80211_IFTYPE_P2P_GO: 887 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 888 MWIFIEX_BSS_TYPE_P2P); 889 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 890 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 891 break; 892 case NL80211_IFTYPE_AP: 893 priv->bss_num = mwifiex_get_unused_bss_num(adapter, 894 MWIFIEX_BSS_TYPE_UAP); 895 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 896 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 897 break; 898 default: 899 mwifiex_dbg(adapter, ERROR, 900 "%s: changing to %d not supported\n", 901 dev->name, type); 902 return -EOPNOTSUPP; 903 } 904 905 spin_lock_irqsave(&adapter->main_proc_lock, flags); 906 adapter->main_locked = false; 907 spin_unlock_irqrestore(&adapter->main_proc_lock, flags); 908 909 spin_lock_irqsave(&adapter->rx_proc_lock, flags); 910 adapter->rx_locked = false; 911 spin_unlock_irqrestore(&adapter->rx_proc_lock, flags); 912 913 return 0; 914 } 915 916 static int 917 mwifiex_change_vif_to_p2p(struct net_device *dev, 918 enum nl80211_iftype curr_iftype, 919 enum nl80211_iftype type, u32 *flags, 920 struct vif_params *params) 921 { 922 struct mwifiex_private *priv; 923 struct mwifiex_adapter *adapter; 924 925 priv = mwifiex_netdev_get_priv(dev); 926 927 if (!priv) 928 return -1; 929 930 adapter = priv->adapter; 931 932 if (adapter->curr_iface_comb.p2p_intf == 933 adapter->iface_limit.p2p_intf) { 934 mwifiex_dbg(adapter, ERROR, 935 "cannot create multiple P2P ifaces\n"); 936 return -1; 937 } 938 939 mwifiex_dbg(adapter, INFO, 940 "%s: changing role to p2p\n", dev->name); 941 942 if (mwifiex_deinit_priv_params(priv)) 943 return -1; 944 if (mwifiex_init_new_priv_params(priv, dev, type)) 945 return -1; 946 947 switch (type) { 948 case NL80211_IFTYPE_P2P_CLIENT: 949 if (mwifiex_cfg80211_init_p2p_client(priv)) 950 return -EFAULT; 951 break; 952 case NL80211_IFTYPE_P2P_GO: 953 if (mwifiex_cfg80211_init_p2p_go(priv)) 954 return -EFAULT; 955 break; 956 default: 957 mwifiex_dbg(adapter, ERROR, 958 "%s: changing to %d not supported\n", 959 dev->name, type); 960 return -EOPNOTSUPP; 961 } 962 963 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 964 HostCmd_ACT_GEN_SET, 0, NULL, true)) 965 return -1; 966 967 if (mwifiex_sta_init_cmd(priv, false, false)) 968 return -1; 969 970 switch (curr_iftype) { 971 case NL80211_IFTYPE_STATION: 972 case NL80211_IFTYPE_ADHOC: 973 adapter->curr_iface_comb.sta_intf--; 974 break; 975 case NL80211_IFTYPE_AP: 976 adapter->curr_iface_comb.uap_intf--; 977 break; 978 default: 979 break; 980 } 981 982 adapter->curr_iface_comb.p2p_intf++; 983 dev->ieee80211_ptr->iftype = type; 984 985 return 0; 986 } 987 988 static int 989 mwifiex_change_vif_to_sta_adhoc(struct net_device *dev, 990 enum nl80211_iftype curr_iftype, 991 enum nl80211_iftype type, u32 *flags, 992 struct vif_params *params) 993 { 994 struct mwifiex_private *priv; 995 struct mwifiex_adapter *adapter; 996 997 priv = mwifiex_netdev_get_priv(dev); 998 999 if (!priv) 1000 return -1; 1001 1002 adapter = priv->adapter; 1003 1004 if ((curr_iftype != NL80211_IFTYPE_P2P_CLIENT && 1005 curr_iftype != NL80211_IFTYPE_P2P_GO) && 1006 (adapter->curr_iface_comb.sta_intf == 1007 adapter->iface_limit.sta_intf)) { 1008 mwifiex_dbg(adapter, ERROR, 1009 "cannot create multiple station/adhoc ifaces\n"); 1010 return -1; 1011 } 1012 1013 if (type == NL80211_IFTYPE_STATION) 1014 mwifiex_dbg(adapter, INFO, 1015 "%s: changing role to station\n", dev->name); 1016 else 1017 mwifiex_dbg(adapter, INFO, 1018 "%s: changing role to adhoc\n", dev->name); 1019 1020 if (mwifiex_deinit_priv_params(priv)) 1021 return -1; 1022 if (mwifiex_init_new_priv_params(priv, dev, type)) 1023 return -1; 1024 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1025 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1026 return -1; 1027 if (mwifiex_sta_init_cmd(priv, false, false)) 1028 return -1; 1029 1030 switch (curr_iftype) { 1031 case NL80211_IFTYPE_P2P_CLIENT: 1032 case NL80211_IFTYPE_P2P_GO: 1033 adapter->curr_iface_comb.p2p_intf--; 1034 break; 1035 case NL80211_IFTYPE_AP: 1036 adapter->curr_iface_comb.uap_intf--; 1037 break; 1038 default: 1039 break; 1040 } 1041 1042 adapter->curr_iface_comb.sta_intf++; 1043 dev->ieee80211_ptr->iftype = type; 1044 return 0; 1045 } 1046 1047 static int 1048 mwifiex_change_vif_to_ap(struct net_device *dev, 1049 enum nl80211_iftype curr_iftype, 1050 enum nl80211_iftype type, u32 *flags, 1051 struct vif_params *params) 1052 { 1053 struct mwifiex_private *priv; 1054 struct mwifiex_adapter *adapter; 1055 1056 priv = mwifiex_netdev_get_priv(dev); 1057 1058 if (!priv) 1059 return -1; 1060 1061 adapter = priv->adapter; 1062 1063 if (adapter->curr_iface_comb.uap_intf == 1064 adapter->iface_limit.uap_intf) { 1065 mwifiex_dbg(adapter, ERROR, 1066 "cannot create multiple AP ifaces\n"); 1067 return -1; 1068 } 1069 1070 mwifiex_dbg(adapter, INFO, 1071 "%s: changing role to AP\n", dev->name); 1072 1073 if (mwifiex_deinit_priv_params(priv)) 1074 return -1; 1075 if (mwifiex_init_new_priv_params(priv, dev, type)) 1076 return -1; 1077 if (mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1078 HostCmd_ACT_GEN_SET, 0, NULL, true)) 1079 return -1; 1080 if (mwifiex_sta_init_cmd(priv, false, false)) 1081 return -1; 1082 1083 switch (curr_iftype) { 1084 case NL80211_IFTYPE_P2P_CLIENT: 1085 case NL80211_IFTYPE_P2P_GO: 1086 adapter->curr_iface_comb.p2p_intf--; 1087 break; 1088 case NL80211_IFTYPE_STATION: 1089 case NL80211_IFTYPE_ADHOC: 1090 adapter->curr_iface_comb.sta_intf--; 1091 break; 1092 default: 1093 break; 1094 } 1095 1096 adapter->curr_iface_comb.uap_intf++; 1097 dev->ieee80211_ptr->iftype = type; 1098 return 0; 1099 } 1100 /* 1101 * CFG802.11 operation handler to change interface type. 1102 */ 1103 static int 1104 mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, 1105 struct net_device *dev, 1106 enum nl80211_iftype type, u32 *flags, 1107 struct vif_params *params) 1108 { 1109 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1110 enum nl80211_iftype curr_iftype = dev->ieee80211_ptr->iftype; 1111 1112 switch (curr_iftype) { 1113 case NL80211_IFTYPE_ADHOC: 1114 switch (type) { 1115 case NL80211_IFTYPE_STATION: 1116 priv->bss_mode = type; 1117 priv->sec_info.authentication_mode = 1118 NL80211_AUTHTYPE_OPEN_SYSTEM; 1119 dev->ieee80211_ptr->iftype = type; 1120 mwifiex_deauthenticate(priv, NULL); 1121 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1122 HostCmd_ACT_GEN_SET, 0, NULL, 1123 true); 1124 case NL80211_IFTYPE_P2P_CLIENT: 1125 case NL80211_IFTYPE_P2P_GO: 1126 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1127 type, flags, params); 1128 case NL80211_IFTYPE_AP: 1129 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1130 flags, params); 1131 case NL80211_IFTYPE_UNSPECIFIED: 1132 mwifiex_dbg(priv->adapter, INFO, 1133 "%s: kept type as IBSS\n", dev->name); 1134 case NL80211_IFTYPE_ADHOC: /* This shouldn't happen */ 1135 return 0; 1136 default: 1137 mwifiex_dbg(priv->adapter, ERROR, 1138 "%s: changing to %d not supported\n", 1139 dev->name, type); 1140 return -EOPNOTSUPP; 1141 } 1142 break; 1143 case NL80211_IFTYPE_STATION: 1144 switch (type) { 1145 case NL80211_IFTYPE_ADHOC: 1146 priv->bss_mode = type; 1147 priv->sec_info.authentication_mode = 1148 NL80211_AUTHTYPE_OPEN_SYSTEM; 1149 dev->ieee80211_ptr->iftype = type; 1150 mwifiex_deauthenticate(priv, NULL); 1151 return mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 1152 HostCmd_ACT_GEN_SET, 0, NULL, 1153 true); 1154 case NL80211_IFTYPE_P2P_CLIENT: 1155 case NL80211_IFTYPE_P2P_GO: 1156 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1157 type, flags, params); 1158 case NL80211_IFTYPE_AP: 1159 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1160 flags, params); 1161 case NL80211_IFTYPE_UNSPECIFIED: 1162 mwifiex_dbg(priv->adapter, INFO, 1163 "%s: kept type as STA\n", dev->name); 1164 case NL80211_IFTYPE_STATION: /* This shouldn't happen */ 1165 return 0; 1166 default: 1167 mwifiex_dbg(priv->adapter, ERROR, 1168 "%s: changing to %d not supported\n", 1169 dev->name, type); 1170 return -EOPNOTSUPP; 1171 } 1172 break; 1173 case NL80211_IFTYPE_AP: 1174 switch (type) { 1175 case NL80211_IFTYPE_ADHOC: 1176 case NL80211_IFTYPE_STATION: 1177 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1178 type, flags, 1179 params); 1180 break; 1181 case NL80211_IFTYPE_P2P_CLIENT: 1182 case NL80211_IFTYPE_P2P_GO: 1183 return mwifiex_change_vif_to_p2p(dev, curr_iftype, 1184 type, flags, params); 1185 case NL80211_IFTYPE_UNSPECIFIED: 1186 mwifiex_dbg(priv->adapter, INFO, 1187 "%s: kept type as AP\n", dev->name); 1188 case NL80211_IFTYPE_AP: /* This shouldn't happen */ 1189 return 0; 1190 default: 1191 mwifiex_dbg(priv->adapter, ERROR, 1192 "%s: changing to %d not supported\n", 1193 dev->name, type); 1194 return -EOPNOTSUPP; 1195 } 1196 break; 1197 case NL80211_IFTYPE_P2P_CLIENT: 1198 case NL80211_IFTYPE_P2P_GO: 1199 switch (type) { 1200 case NL80211_IFTYPE_STATION: 1201 if (mwifiex_cfg80211_deinit_p2p(priv)) 1202 return -EFAULT; 1203 priv->adapter->curr_iface_comb.p2p_intf--; 1204 priv->adapter->curr_iface_comb.sta_intf++; 1205 dev->ieee80211_ptr->iftype = type; 1206 if (mwifiex_deinit_priv_params(priv)) 1207 return -1; 1208 if (mwifiex_init_new_priv_params(priv, dev, type)) 1209 return -1; 1210 if (mwifiex_sta_init_cmd(priv, false, false)) 1211 return -1; 1212 break; 1213 case NL80211_IFTYPE_ADHOC: 1214 if (mwifiex_cfg80211_deinit_p2p(priv)) 1215 return -EFAULT; 1216 return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, 1217 type, flags, 1218 params); 1219 break; 1220 case NL80211_IFTYPE_AP: 1221 if (mwifiex_cfg80211_deinit_p2p(priv)) 1222 return -EFAULT; 1223 return mwifiex_change_vif_to_ap(dev, curr_iftype, type, 1224 flags, params); 1225 case NL80211_IFTYPE_UNSPECIFIED: 1226 mwifiex_dbg(priv->adapter, INFO, 1227 "%s: kept type as P2P\n", dev->name); 1228 case NL80211_IFTYPE_P2P_CLIENT: 1229 case NL80211_IFTYPE_P2P_GO: 1230 return 0; 1231 default: 1232 mwifiex_dbg(priv->adapter, ERROR, 1233 "%s: changing to %d not supported\n", 1234 dev->name, type); 1235 return -EOPNOTSUPP; 1236 } 1237 break; 1238 default: 1239 mwifiex_dbg(priv->adapter, ERROR, 1240 "%s: unknown iftype: %d\n", 1241 dev->name, dev->ieee80211_ptr->iftype); 1242 return -EOPNOTSUPP; 1243 } 1244 1245 1246 return 0; 1247 } 1248 1249 static void 1250 mwifiex_parse_htinfo(struct mwifiex_private *priv, u8 tx_htinfo, 1251 struct rate_info *rate) 1252 { 1253 struct mwifiex_adapter *adapter = priv->adapter; 1254 1255 if (adapter->is_hw_11ac_capable) { 1256 /* bit[1-0]: 00=LG 01=HT 10=VHT */ 1257 if (tx_htinfo & BIT(0)) { 1258 /* HT */ 1259 rate->mcs = priv->tx_rate; 1260 rate->flags |= RATE_INFO_FLAGS_MCS; 1261 } 1262 if (tx_htinfo & BIT(1)) { 1263 /* VHT */ 1264 rate->mcs = priv->tx_rate & 0x0F; 1265 rate->flags |= RATE_INFO_FLAGS_VHT_MCS; 1266 } 1267 1268 if (tx_htinfo & (BIT(1) | BIT(0))) { 1269 /* HT or VHT */ 1270 switch (tx_htinfo & (BIT(3) | BIT(2))) { 1271 case 0: 1272 rate->bw = RATE_INFO_BW_20; 1273 break; 1274 case (BIT(2)): 1275 rate->bw = RATE_INFO_BW_40; 1276 break; 1277 case (BIT(3)): 1278 rate->bw = RATE_INFO_BW_80; 1279 break; 1280 case (BIT(3) | BIT(2)): 1281 rate->bw = RATE_INFO_BW_160; 1282 break; 1283 } 1284 1285 if (tx_htinfo & BIT(4)) 1286 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1287 1288 if ((priv->tx_rate >> 4) == 1) 1289 rate->nss = 2; 1290 else 1291 rate->nss = 1; 1292 } 1293 } else { 1294 /* 1295 * Bit 0 in tx_htinfo indicates that current Tx rate 1296 * is 11n rate. Valid MCS index values for us are 0 to 15. 1297 */ 1298 if ((tx_htinfo & BIT(0)) && (priv->tx_rate < 16)) { 1299 rate->mcs = priv->tx_rate; 1300 rate->flags |= RATE_INFO_FLAGS_MCS; 1301 rate->bw = RATE_INFO_BW_20; 1302 if (tx_htinfo & BIT(1)) 1303 rate->bw = RATE_INFO_BW_40; 1304 if (tx_htinfo & BIT(2)) 1305 rate->flags |= RATE_INFO_FLAGS_SHORT_GI; 1306 } 1307 } 1308 } 1309 1310 /* 1311 * This function dumps the station information on a buffer. 1312 * 1313 * The following information are shown - 1314 * - Total bytes transmitted 1315 * - Total bytes received 1316 * - Total packets transmitted 1317 * - Total packets received 1318 * - Signal quality level 1319 * - Transmission rate 1320 */ 1321 static int 1322 mwifiex_dump_station_info(struct mwifiex_private *priv, 1323 struct mwifiex_sta_node *node, 1324 struct station_info *sinfo) 1325 { 1326 u32 rate; 1327 1328 sinfo->filled = BIT(NL80211_STA_INFO_RX_BYTES) | BIT(NL80211_STA_INFO_TX_BYTES) | 1329 BIT(NL80211_STA_INFO_RX_PACKETS) | BIT(NL80211_STA_INFO_TX_PACKETS) | 1330 BIT(NL80211_STA_INFO_TX_BITRATE) | 1331 BIT(NL80211_STA_INFO_SIGNAL) | BIT(NL80211_STA_INFO_SIGNAL_AVG); 1332 1333 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1334 if (!node) 1335 return -ENOENT; 1336 1337 sinfo->filled |= BIT(NL80211_STA_INFO_INACTIVE_TIME) | 1338 BIT(NL80211_STA_INFO_TX_FAILED); 1339 sinfo->inactive_time = 1340 jiffies_to_msecs(jiffies - node->stats.last_rx); 1341 1342 sinfo->signal = node->stats.rssi; 1343 sinfo->signal_avg = node->stats.rssi; 1344 sinfo->rx_bytes = node->stats.rx_bytes; 1345 sinfo->tx_bytes = node->stats.tx_bytes; 1346 sinfo->rx_packets = node->stats.rx_packets; 1347 sinfo->tx_packets = node->stats.tx_packets; 1348 sinfo->tx_failed = node->stats.tx_failed; 1349 1350 mwifiex_parse_htinfo(priv, node->stats.last_tx_htinfo, 1351 &sinfo->txrate); 1352 sinfo->txrate.legacy = node->stats.last_tx_rate * 5; 1353 1354 return 0; 1355 } 1356 1357 /* Get signal information from the firmware */ 1358 if (mwifiex_send_cmd(priv, HostCmd_CMD_RSSI_INFO, 1359 HostCmd_ACT_GEN_GET, 0, NULL, true)) { 1360 mwifiex_dbg(priv->adapter, ERROR, 1361 "failed to get signal information\n"); 1362 return -EFAULT; 1363 } 1364 1365 if (mwifiex_drv_get_data_rate(priv, &rate)) { 1366 mwifiex_dbg(priv->adapter, ERROR, 1367 "getting data rate error\n"); 1368 return -EFAULT; 1369 } 1370 1371 /* Get DTIM period information from firmware */ 1372 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 1373 HostCmd_ACT_GEN_GET, DTIM_PERIOD_I, 1374 &priv->dtim_period, true); 1375 1376 mwifiex_parse_htinfo(priv, priv->tx_htinfo, &sinfo->txrate); 1377 1378 sinfo->signal_avg = priv->bcn_rssi_avg; 1379 sinfo->rx_bytes = priv->stats.rx_bytes; 1380 sinfo->tx_bytes = priv->stats.tx_bytes; 1381 sinfo->rx_packets = priv->stats.rx_packets; 1382 sinfo->tx_packets = priv->stats.tx_packets; 1383 sinfo->signal = priv->bcn_rssi_avg; 1384 /* bit rate is in 500 kb/s units. Convert it to 100kb/s units */ 1385 sinfo->txrate.legacy = rate * 5; 1386 1387 if (priv->bss_mode == NL80211_IFTYPE_STATION) { 1388 sinfo->filled |= BIT(NL80211_STA_INFO_BSS_PARAM); 1389 sinfo->bss_param.flags = 0; 1390 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1391 WLAN_CAPABILITY_SHORT_PREAMBLE) 1392 sinfo->bss_param.flags |= 1393 BSS_PARAM_FLAGS_SHORT_PREAMBLE; 1394 if (priv->curr_bss_params.bss_descriptor.cap_info_bitmap & 1395 WLAN_CAPABILITY_SHORT_SLOT_TIME) 1396 sinfo->bss_param.flags |= 1397 BSS_PARAM_FLAGS_SHORT_SLOT_TIME; 1398 sinfo->bss_param.dtim_period = priv->dtim_period; 1399 sinfo->bss_param.beacon_interval = 1400 priv->curr_bss_params.bss_descriptor.beacon_period; 1401 } 1402 1403 return 0; 1404 } 1405 1406 /* 1407 * CFG802.11 operation handler to get station information. 1408 * 1409 * This function only works in connected mode, and dumps the 1410 * requested station information, if available. 1411 */ 1412 static int 1413 mwifiex_cfg80211_get_station(struct wiphy *wiphy, struct net_device *dev, 1414 const u8 *mac, struct station_info *sinfo) 1415 { 1416 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1417 1418 if (!priv->media_connected) 1419 return -ENOENT; 1420 if (memcmp(mac, priv->cfg_bssid, ETH_ALEN)) 1421 return -ENOENT; 1422 1423 return mwifiex_dump_station_info(priv, NULL, sinfo); 1424 } 1425 1426 /* 1427 * CFG802.11 operation handler to dump station information. 1428 */ 1429 static int 1430 mwifiex_cfg80211_dump_station(struct wiphy *wiphy, struct net_device *dev, 1431 int idx, u8 *mac, struct station_info *sinfo) 1432 { 1433 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1434 static struct mwifiex_sta_node *node; 1435 1436 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1437 priv->media_connected && idx == 0) { 1438 ether_addr_copy(mac, priv->cfg_bssid); 1439 return mwifiex_dump_station_info(priv, NULL, sinfo); 1440 } else if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) { 1441 mwifiex_send_cmd(priv, HOST_CMD_APCMD_STA_LIST, 1442 HostCmd_ACT_GEN_GET, 0, NULL, true); 1443 1444 if (node && (&node->list == &priv->sta_list)) { 1445 node = NULL; 1446 return -ENOENT; 1447 } 1448 1449 node = list_prepare_entry(node, &priv->sta_list, list); 1450 list_for_each_entry_continue(node, &priv->sta_list, list) { 1451 ether_addr_copy(mac, node->mac_addr); 1452 return mwifiex_dump_station_info(priv, node, sinfo); 1453 } 1454 } 1455 1456 return -ENOENT; 1457 } 1458 1459 static int 1460 mwifiex_cfg80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, 1461 int idx, struct survey_info *survey) 1462 { 1463 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1464 struct mwifiex_chan_stats *pchan_stats = priv->adapter->chan_stats; 1465 enum nl80211_band band; 1466 1467 mwifiex_dbg(priv->adapter, DUMP, "dump_survey idx=%d\n", idx); 1468 1469 memset(survey, 0, sizeof(struct survey_info)); 1470 1471 if ((GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA) && 1472 priv->media_connected && idx == 0) { 1473 u8 curr_bss_band = priv->curr_bss_params.band; 1474 u32 chan = priv->curr_bss_params.bss_descriptor.channel; 1475 1476 band = mwifiex_band_to_radio_type(curr_bss_band); 1477 survey->channel = ieee80211_get_channel(wiphy, 1478 ieee80211_channel_to_frequency(chan, band)); 1479 1480 if (priv->bcn_nf_last) { 1481 survey->filled = SURVEY_INFO_NOISE_DBM; 1482 survey->noise = priv->bcn_nf_last; 1483 } 1484 return 0; 1485 } 1486 1487 if (idx >= priv->adapter->num_in_chan_stats) 1488 return -ENOENT; 1489 1490 if (!pchan_stats[idx].cca_scan_dur) 1491 return 0; 1492 1493 band = pchan_stats[idx].bandcfg; 1494 survey->channel = ieee80211_get_channel(wiphy, 1495 ieee80211_channel_to_frequency(pchan_stats[idx].chan_num, band)); 1496 survey->filled = SURVEY_INFO_NOISE_DBM | 1497 SURVEY_INFO_TIME | 1498 SURVEY_INFO_TIME_BUSY; 1499 survey->noise = pchan_stats[idx].noise; 1500 survey->time = pchan_stats[idx].cca_scan_dur; 1501 survey->time_busy = pchan_stats[idx].cca_busy_dur; 1502 1503 return 0; 1504 } 1505 1506 /* Supported rates to be advertised to the cfg80211 */ 1507 static struct ieee80211_rate mwifiex_rates[] = { 1508 {.bitrate = 10, .hw_value = 2, }, 1509 {.bitrate = 20, .hw_value = 4, }, 1510 {.bitrate = 55, .hw_value = 11, }, 1511 {.bitrate = 110, .hw_value = 22, }, 1512 {.bitrate = 60, .hw_value = 12, }, 1513 {.bitrate = 90, .hw_value = 18, }, 1514 {.bitrate = 120, .hw_value = 24, }, 1515 {.bitrate = 180, .hw_value = 36, }, 1516 {.bitrate = 240, .hw_value = 48, }, 1517 {.bitrate = 360, .hw_value = 72, }, 1518 {.bitrate = 480, .hw_value = 96, }, 1519 {.bitrate = 540, .hw_value = 108, }, 1520 }; 1521 1522 /* Channel definitions to be advertised to cfg80211 */ 1523 static struct ieee80211_channel mwifiex_channels_2ghz[] = { 1524 {.center_freq = 2412, .hw_value = 1, }, 1525 {.center_freq = 2417, .hw_value = 2, }, 1526 {.center_freq = 2422, .hw_value = 3, }, 1527 {.center_freq = 2427, .hw_value = 4, }, 1528 {.center_freq = 2432, .hw_value = 5, }, 1529 {.center_freq = 2437, .hw_value = 6, }, 1530 {.center_freq = 2442, .hw_value = 7, }, 1531 {.center_freq = 2447, .hw_value = 8, }, 1532 {.center_freq = 2452, .hw_value = 9, }, 1533 {.center_freq = 2457, .hw_value = 10, }, 1534 {.center_freq = 2462, .hw_value = 11, }, 1535 {.center_freq = 2467, .hw_value = 12, }, 1536 {.center_freq = 2472, .hw_value = 13, }, 1537 {.center_freq = 2484, .hw_value = 14, }, 1538 }; 1539 1540 static struct ieee80211_supported_band mwifiex_band_2ghz = { 1541 .channels = mwifiex_channels_2ghz, 1542 .n_channels = ARRAY_SIZE(mwifiex_channels_2ghz), 1543 .bitrates = mwifiex_rates, 1544 .n_bitrates = ARRAY_SIZE(mwifiex_rates), 1545 }; 1546 1547 static struct ieee80211_channel mwifiex_channels_5ghz[] = { 1548 {.center_freq = 5040, .hw_value = 8, }, 1549 {.center_freq = 5060, .hw_value = 12, }, 1550 {.center_freq = 5080, .hw_value = 16, }, 1551 {.center_freq = 5170, .hw_value = 34, }, 1552 {.center_freq = 5190, .hw_value = 38, }, 1553 {.center_freq = 5210, .hw_value = 42, }, 1554 {.center_freq = 5230, .hw_value = 46, }, 1555 {.center_freq = 5180, .hw_value = 36, }, 1556 {.center_freq = 5200, .hw_value = 40, }, 1557 {.center_freq = 5220, .hw_value = 44, }, 1558 {.center_freq = 5240, .hw_value = 48, }, 1559 {.center_freq = 5260, .hw_value = 52, }, 1560 {.center_freq = 5280, .hw_value = 56, }, 1561 {.center_freq = 5300, .hw_value = 60, }, 1562 {.center_freq = 5320, .hw_value = 64, }, 1563 {.center_freq = 5500, .hw_value = 100, }, 1564 {.center_freq = 5520, .hw_value = 104, }, 1565 {.center_freq = 5540, .hw_value = 108, }, 1566 {.center_freq = 5560, .hw_value = 112, }, 1567 {.center_freq = 5580, .hw_value = 116, }, 1568 {.center_freq = 5600, .hw_value = 120, }, 1569 {.center_freq = 5620, .hw_value = 124, }, 1570 {.center_freq = 5640, .hw_value = 128, }, 1571 {.center_freq = 5660, .hw_value = 132, }, 1572 {.center_freq = 5680, .hw_value = 136, }, 1573 {.center_freq = 5700, .hw_value = 140, }, 1574 {.center_freq = 5745, .hw_value = 149, }, 1575 {.center_freq = 5765, .hw_value = 153, }, 1576 {.center_freq = 5785, .hw_value = 157, }, 1577 {.center_freq = 5805, .hw_value = 161, }, 1578 {.center_freq = 5825, .hw_value = 165, }, 1579 }; 1580 1581 static struct ieee80211_supported_band mwifiex_band_5ghz = { 1582 .channels = mwifiex_channels_5ghz, 1583 .n_channels = ARRAY_SIZE(mwifiex_channels_5ghz), 1584 .bitrates = mwifiex_rates + 4, 1585 .n_bitrates = ARRAY_SIZE(mwifiex_rates) - 4, 1586 }; 1587 1588 1589 /* Supported crypto cipher suits to be advertised to cfg80211 */ 1590 static const u32 mwifiex_cipher_suites[] = { 1591 WLAN_CIPHER_SUITE_WEP40, 1592 WLAN_CIPHER_SUITE_WEP104, 1593 WLAN_CIPHER_SUITE_TKIP, 1594 WLAN_CIPHER_SUITE_CCMP, 1595 WLAN_CIPHER_SUITE_SMS4, 1596 WLAN_CIPHER_SUITE_AES_CMAC, 1597 }; 1598 1599 /* Supported mgmt frame types to be advertised to cfg80211 */ 1600 static const struct ieee80211_txrx_stypes 1601 mwifiex_mgmt_stypes[NUM_NL80211_IFTYPES] = { 1602 [NL80211_IFTYPE_STATION] = { 1603 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1604 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1605 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1606 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1607 }, 1608 [NL80211_IFTYPE_AP] = { 1609 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1610 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1611 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1612 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1613 }, 1614 [NL80211_IFTYPE_P2P_CLIENT] = { 1615 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1616 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1617 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1618 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1619 }, 1620 [NL80211_IFTYPE_P2P_GO] = { 1621 .tx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1622 BIT(IEEE80211_STYPE_PROBE_RESP >> 4), 1623 .rx = BIT(IEEE80211_STYPE_ACTION >> 4) | 1624 BIT(IEEE80211_STYPE_PROBE_REQ >> 4), 1625 }, 1626 }; 1627 1628 /* 1629 * CFG802.11 operation handler for setting bit rates. 1630 * 1631 * Function configures data rates to firmware using bitrate mask 1632 * provided by cfg80211. 1633 */ 1634 static int mwifiex_cfg80211_set_bitrate_mask(struct wiphy *wiphy, 1635 struct net_device *dev, 1636 const u8 *peer, 1637 const struct cfg80211_bitrate_mask *mask) 1638 { 1639 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1640 u16 bitmap_rates[MAX_BITMAP_RATES_SIZE]; 1641 enum nl80211_band band; 1642 struct mwifiex_adapter *adapter = priv->adapter; 1643 1644 if (!priv->media_connected) { 1645 mwifiex_dbg(adapter, ERROR, 1646 "Can not set Tx data rate in disconnected state\n"); 1647 return -EINVAL; 1648 } 1649 1650 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 1651 1652 memset(bitmap_rates, 0, sizeof(bitmap_rates)); 1653 1654 /* Fill HR/DSSS rates. */ 1655 if (band == NL80211_BAND_2GHZ) 1656 bitmap_rates[0] = mask->control[band].legacy & 0x000f; 1657 1658 /* Fill OFDM rates */ 1659 if (band == NL80211_BAND_2GHZ) 1660 bitmap_rates[1] = (mask->control[band].legacy & 0x0ff0) >> 4; 1661 else 1662 bitmap_rates[1] = mask->control[band].legacy; 1663 1664 /* Fill HT MCS rates */ 1665 bitmap_rates[2] = mask->control[band].ht_mcs[0]; 1666 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1667 bitmap_rates[2] |= mask->control[band].ht_mcs[1] << 8; 1668 1669 /* Fill VHT MCS rates */ 1670 if (adapter->fw_api_ver == MWIFIEX_FW_V15) { 1671 bitmap_rates[10] = mask->control[band].vht_mcs[0]; 1672 if (adapter->hw_dev_mcs_support == HT_STREAM_2X2) 1673 bitmap_rates[11] = mask->control[band].vht_mcs[1]; 1674 } 1675 1676 return mwifiex_send_cmd(priv, HostCmd_CMD_TX_RATE_CFG, 1677 HostCmd_ACT_GEN_SET, 0, bitmap_rates, true); 1678 } 1679 1680 /* 1681 * CFG802.11 operation handler for connection quality monitoring. 1682 * 1683 * This function subscribes/unsubscribes HIGH_RSSI and LOW_RSSI 1684 * events to FW. 1685 */ 1686 static int mwifiex_cfg80211_set_cqm_rssi_config(struct wiphy *wiphy, 1687 struct net_device *dev, 1688 s32 rssi_thold, u32 rssi_hyst) 1689 { 1690 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1691 struct mwifiex_ds_misc_subsc_evt subsc_evt; 1692 1693 priv->cqm_rssi_thold = rssi_thold; 1694 priv->cqm_rssi_hyst = rssi_hyst; 1695 1696 memset(&subsc_evt, 0x00, sizeof(struct mwifiex_ds_misc_subsc_evt)); 1697 subsc_evt.events = BITMASK_BCN_RSSI_LOW | BITMASK_BCN_RSSI_HIGH; 1698 1699 /* Subscribe/unsubscribe low and high rssi events */ 1700 if (rssi_thold && rssi_hyst) { 1701 subsc_evt.action = HostCmd_ACT_BITWISE_SET; 1702 subsc_evt.bcn_l_rssi_cfg.abs_value = abs(rssi_thold); 1703 subsc_evt.bcn_h_rssi_cfg.abs_value = abs(rssi_thold); 1704 subsc_evt.bcn_l_rssi_cfg.evt_freq = 1; 1705 subsc_evt.bcn_h_rssi_cfg.evt_freq = 1; 1706 return mwifiex_send_cmd(priv, 1707 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1708 0, 0, &subsc_evt, true); 1709 } else { 1710 subsc_evt.action = HostCmd_ACT_BITWISE_CLR; 1711 return mwifiex_send_cmd(priv, 1712 HostCmd_CMD_802_11_SUBSCRIBE_EVENT, 1713 0, 0, &subsc_evt, true); 1714 } 1715 1716 return 0; 1717 } 1718 1719 /* cfg80211 operation handler for change_beacon. 1720 * Function retrieves and sets modified management IEs to FW. 1721 */ 1722 static int mwifiex_cfg80211_change_beacon(struct wiphy *wiphy, 1723 struct net_device *dev, 1724 struct cfg80211_beacon_data *data) 1725 { 1726 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1727 struct mwifiex_adapter *adapter = priv->adapter; 1728 1729 mwifiex_cancel_scan(adapter); 1730 1731 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) { 1732 mwifiex_dbg(priv->adapter, ERROR, 1733 "%s: bss_type mismatched\n", __func__); 1734 return -EINVAL; 1735 } 1736 1737 if (!priv->bss_started) { 1738 mwifiex_dbg(priv->adapter, ERROR, 1739 "%s: bss not started\n", __func__); 1740 return -EINVAL; 1741 } 1742 1743 if (mwifiex_set_mgmt_ies(priv, data)) { 1744 mwifiex_dbg(priv->adapter, ERROR, 1745 "%s: setting mgmt ies failed\n", __func__); 1746 return -EFAULT; 1747 } 1748 1749 return 0; 1750 } 1751 1752 /* cfg80211 operation handler for del_station. 1753 * Function deauthenticates station which value is provided in mac parameter. 1754 * If mac is NULL/broadcast, all stations in associated station list are 1755 * deauthenticated. If bss is not started or there are no stations in 1756 * associated stations list, no action is taken. 1757 */ 1758 static int 1759 mwifiex_cfg80211_del_station(struct wiphy *wiphy, struct net_device *dev, 1760 struct station_del_parameters *params) 1761 { 1762 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1763 struct mwifiex_sta_node *sta_node; 1764 u8 deauth_mac[ETH_ALEN]; 1765 unsigned long flags; 1766 1767 if (!priv->bss_started && priv->wdev.cac_started) { 1768 mwifiex_dbg(priv->adapter, INFO, "%s: abort CAC!\n", __func__); 1769 mwifiex_abort_cac(priv); 1770 } 1771 1772 if (list_empty(&priv->sta_list) || !priv->bss_started) 1773 return 0; 1774 1775 if (!params->mac || is_broadcast_ether_addr(params->mac)) 1776 return 0; 1777 1778 mwifiex_dbg(priv->adapter, INFO, "%s: mac address %pM\n", 1779 __func__, params->mac); 1780 1781 eth_zero_addr(deauth_mac); 1782 1783 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 1784 sta_node = mwifiex_get_sta_entry(priv, params->mac); 1785 if (sta_node) 1786 ether_addr_copy(deauth_mac, params->mac); 1787 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 1788 1789 if (is_valid_ether_addr(deauth_mac)) { 1790 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_STA_DEAUTH, 1791 HostCmd_ACT_GEN_SET, 0, 1792 deauth_mac, true)) 1793 return -1; 1794 } 1795 1796 return 0; 1797 } 1798 1799 static int 1800 mwifiex_cfg80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) 1801 { 1802 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1803 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1804 MWIFIEX_BSS_ROLE_ANY); 1805 struct mwifiex_ds_ant_cfg ant_cfg; 1806 1807 if (!tx_ant || !rx_ant) 1808 return -EOPNOTSUPP; 1809 1810 if (adapter->hw_dev_mcs_support != HT_STREAM_2X2) { 1811 /* Not a MIMO chip. User should provide specific antenna number 1812 * for Tx/Rx path or enable all antennas for diversity 1813 */ 1814 if (tx_ant != rx_ant) 1815 return -EOPNOTSUPP; 1816 1817 if ((tx_ant & (tx_ant - 1)) && 1818 (tx_ant != BIT(adapter->number_of_antenna) - 1)) 1819 return -EOPNOTSUPP; 1820 1821 if ((tx_ant == BIT(adapter->number_of_antenna) - 1) && 1822 (priv->adapter->number_of_antenna > 1)) { 1823 tx_ant = RF_ANTENNA_AUTO; 1824 rx_ant = RF_ANTENNA_AUTO; 1825 } 1826 } else { 1827 struct ieee80211_sta_ht_cap *ht_info; 1828 int rx_mcs_supp; 1829 enum nl80211_band band; 1830 1831 if ((tx_ant == 0x1 && rx_ant == 0x1)) { 1832 adapter->user_dev_mcs_support = HT_STREAM_1X1; 1833 if (adapter->is_hw_11ac_capable) 1834 adapter->usr_dot_11ac_mcs_support = 1835 MWIFIEX_11AC_MCS_MAP_1X1; 1836 } else { 1837 adapter->user_dev_mcs_support = HT_STREAM_2X2; 1838 if (adapter->is_hw_11ac_capable) 1839 adapter->usr_dot_11ac_mcs_support = 1840 MWIFIEX_11AC_MCS_MAP_2X2; 1841 } 1842 1843 for (band = 0; band < NUM_NL80211_BANDS; band++) { 1844 if (!adapter->wiphy->bands[band]) 1845 continue; 1846 1847 ht_info = &adapter->wiphy->bands[band]->ht_cap; 1848 rx_mcs_supp = 1849 GET_RXMCSSUPP(adapter->user_dev_mcs_support); 1850 memset(&ht_info->mcs, 0, adapter->number_of_antenna); 1851 memset(&ht_info->mcs, 0xff, rx_mcs_supp); 1852 } 1853 } 1854 1855 ant_cfg.tx_ant = tx_ant; 1856 ant_cfg.rx_ant = rx_ant; 1857 1858 return mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1859 HostCmd_ACT_GEN_SET, 0, &ant_cfg, true); 1860 } 1861 1862 static int 1863 mwifiex_cfg80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) 1864 { 1865 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 1866 struct mwifiex_private *priv = mwifiex_get_priv(adapter, 1867 MWIFIEX_BSS_ROLE_ANY); 1868 mwifiex_send_cmd(priv, HostCmd_CMD_RF_ANTENNA, 1869 HostCmd_ACT_GEN_GET, 0, NULL, true); 1870 1871 *tx_ant = priv->tx_ant; 1872 *rx_ant = priv->rx_ant; 1873 1874 return 0; 1875 } 1876 1877 /* cfg80211 operation handler for stop ap. 1878 * Function stops BSS running at uAP interface. 1879 */ 1880 static int mwifiex_cfg80211_stop_ap(struct wiphy *wiphy, struct net_device *dev) 1881 { 1882 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1883 1884 mwifiex_abort_cac(priv); 1885 1886 if (mwifiex_del_mgmt_ies(priv)) 1887 mwifiex_dbg(priv->adapter, ERROR, 1888 "Failed to delete mgmt IEs!\n"); 1889 1890 priv->ap_11n_enabled = 0; 1891 memset(&priv->bss_cfg, 0, sizeof(priv->bss_cfg)); 1892 1893 if (mwifiex_send_cmd(priv, HostCmd_CMD_UAP_BSS_STOP, 1894 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1895 mwifiex_dbg(priv->adapter, ERROR, 1896 "Failed to stop the BSS\n"); 1897 return -1; 1898 } 1899 1900 if (mwifiex_send_cmd(priv, HOST_CMD_APCMD_SYS_RESET, 1901 HostCmd_ACT_GEN_SET, 0, NULL, true)) { 1902 mwifiex_dbg(priv->adapter, ERROR, 1903 "Failed to reset BSS\n"); 1904 return -1; 1905 } 1906 1907 if (netif_carrier_ok(priv->netdev)) 1908 netif_carrier_off(priv->netdev); 1909 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 1910 1911 return 0; 1912 } 1913 1914 /* cfg80211 operation handler for start_ap. 1915 * Function sets beacon period, DTIM period, SSID and security into 1916 * AP config structure. 1917 * AP is configured with these settings and BSS is started. 1918 */ 1919 static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, 1920 struct net_device *dev, 1921 struct cfg80211_ap_settings *params) 1922 { 1923 struct mwifiex_uap_bss_param *bss_cfg; 1924 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 1925 1926 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_UAP) 1927 return -1; 1928 1929 bss_cfg = kzalloc(sizeof(struct mwifiex_uap_bss_param), GFP_KERNEL); 1930 if (!bss_cfg) 1931 return -ENOMEM; 1932 1933 mwifiex_set_sys_config_invalid_data(bss_cfg); 1934 1935 if (params->beacon_interval) 1936 bss_cfg->beacon_period = params->beacon_interval; 1937 if (params->dtim_period) 1938 bss_cfg->dtim_period = params->dtim_period; 1939 1940 if (params->ssid && params->ssid_len) { 1941 memcpy(bss_cfg->ssid.ssid, params->ssid, params->ssid_len); 1942 bss_cfg->ssid.ssid_len = params->ssid_len; 1943 } 1944 if (params->inactivity_timeout > 0) { 1945 /* sta_ao_timer/ps_sta_ao_timer is in unit of 100ms */ 1946 bss_cfg->sta_ao_timer = 10 * params->inactivity_timeout; 1947 bss_cfg->ps_sta_ao_timer = 10 * params->inactivity_timeout; 1948 } 1949 1950 switch (params->hidden_ssid) { 1951 case NL80211_HIDDEN_SSID_NOT_IN_USE: 1952 bss_cfg->bcast_ssid_ctl = 1; 1953 break; 1954 case NL80211_HIDDEN_SSID_ZERO_LEN: 1955 bss_cfg->bcast_ssid_ctl = 0; 1956 break; 1957 case NL80211_HIDDEN_SSID_ZERO_CONTENTS: 1958 /* firmware doesn't support this type of hidden SSID */ 1959 default: 1960 kfree(bss_cfg); 1961 return -EINVAL; 1962 } 1963 1964 mwifiex_uap_set_channel(priv, bss_cfg, params->chandef); 1965 mwifiex_set_uap_rates(bss_cfg, params); 1966 1967 if (mwifiex_set_secure_params(priv, bss_cfg, params)) { 1968 mwifiex_dbg(priv->adapter, ERROR, 1969 "Failed to parse secuirty parameters!\n"); 1970 goto out; 1971 } 1972 1973 mwifiex_set_ht_params(priv, bss_cfg, params); 1974 1975 if (priv->adapter->is_hw_11ac_capable) { 1976 mwifiex_set_vht_params(priv, bss_cfg, params); 1977 mwifiex_set_vht_width(priv, params->chandef.width, 1978 priv->ap_11ac_enabled); 1979 } 1980 1981 if (priv->ap_11ac_enabled) 1982 mwifiex_set_11ac_ba_params(priv); 1983 else 1984 mwifiex_set_ba_params(priv); 1985 1986 mwifiex_set_wmm_params(priv, bss_cfg, params); 1987 1988 if (mwifiex_is_11h_active(priv)) 1989 mwifiex_set_tpc_params(priv, bss_cfg, params); 1990 1991 if (mwifiex_is_11h_active(priv) && 1992 !cfg80211_chandef_dfs_required(wiphy, ¶ms->chandef, 1993 priv->bss_mode)) { 1994 mwifiex_dbg(priv->adapter, INFO, 1995 "Disable 11h extensions in FW\n"); 1996 if (mwifiex_11h_activate(priv, false)) { 1997 mwifiex_dbg(priv->adapter, ERROR, 1998 "Failed to disable 11h extensions!!"); 1999 goto out; 2000 } 2001 priv->state_11h.is_11h_active = false; 2002 } 2003 2004 if (mwifiex_config_start_uap(priv, bss_cfg)) { 2005 mwifiex_dbg(priv->adapter, ERROR, 2006 "Failed to start AP\n"); 2007 goto out; 2008 } 2009 2010 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon)) 2011 goto out; 2012 2013 if (!netif_carrier_ok(priv->netdev)) 2014 netif_carrier_on(priv->netdev); 2015 mwifiex_wake_up_net_dev_queue(priv->netdev, priv->adapter); 2016 2017 memcpy(&priv->bss_cfg, bss_cfg, sizeof(priv->bss_cfg)); 2018 kfree(bss_cfg); 2019 return 0; 2020 2021 out: 2022 kfree(bss_cfg); 2023 return -1; 2024 } 2025 2026 /* 2027 * CFG802.11 operation handler for disconnection request. 2028 * 2029 * This function does not work when there is already a disconnection 2030 * procedure going on. 2031 */ 2032 static int 2033 mwifiex_cfg80211_disconnect(struct wiphy *wiphy, struct net_device *dev, 2034 u16 reason_code) 2035 { 2036 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2037 2038 if (!mwifiex_stop_bg_scan(priv)) 2039 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); 2040 2041 if (mwifiex_deauthenticate(priv, NULL)) 2042 return -EFAULT; 2043 2044 eth_zero_addr(priv->cfg_bssid); 2045 priv->hs2_enabled = false; 2046 2047 return 0; 2048 } 2049 2050 /* 2051 * This function informs the CFG802.11 subsystem of a new IBSS. 2052 * 2053 * The following information are sent to the CFG802.11 subsystem 2054 * to register the new IBSS. If we do not register the new IBSS, 2055 * a kernel panic will result. 2056 * - SSID 2057 * - SSID length 2058 * - BSSID 2059 * - Channel 2060 */ 2061 static int mwifiex_cfg80211_inform_ibss_bss(struct mwifiex_private *priv) 2062 { 2063 struct ieee80211_channel *chan; 2064 struct mwifiex_bss_info bss_info; 2065 struct cfg80211_bss *bss; 2066 int ie_len; 2067 u8 ie_buf[IEEE80211_MAX_SSID_LEN + sizeof(struct ieee_types_header)]; 2068 enum nl80211_band band; 2069 2070 if (mwifiex_get_bss_info(priv, &bss_info)) 2071 return -1; 2072 2073 ie_buf[0] = WLAN_EID_SSID; 2074 ie_buf[1] = bss_info.ssid.ssid_len; 2075 2076 memcpy(&ie_buf[sizeof(struct ieee_types_header)], 2077 &bss_info.ssid.ssid, bss_info.ssid.ssid_len); 2078 ie_len = ie_buf[1] + sizeof(struct ieee_types_header); 2079 2080 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 2081 chan = ieee80211_get_channel(priv->wdev.wiphy, 2082 ieee80211_channel_to_frequency(bss_info.bss_chan, 2083 band)); 2084 2085 bss = cfg80211_inform_bss(priv->wdev.wiphy, chan, 2086 CFG80211_BSS_FTYPE_UNKNOWN, 2087 bss_info.bssid, 0, WLAN_CAPABILITY_IBSS, 2088 0, ie_buf, ie_len, 0, GFP_KERNEL); 2089 if (bss) { 2090 cfg80211_put_bss(priv->wdev.wiphy, bss); 2091 ether_addr_copy(priv->cfg_bssid, bss_info.bssid); 2092 } 2093 2094 return 0; 2095 } 2096 2097 /* 2098 * This function connects with a BSS. 2099 * 2100 * This function handles both Infra and Ad-Hoc modes. It also performs 2101 * validity checking on the provided parameters, disconnects from the 2102 * current BSS (if any), sets up the association/scan parameters, 2103 * including security settings, and performs specific SSID scan before 2104 * trying to connect. 2105 * 2106 * For Infra mode, the function returns failure if the specified SSID 2107 * is not found in scan table. However, for Ad-Hoc mode, it can create 2108 * the IBSS if it does not exist. On successful completion in either case, 2109 * the function notifies the CFG802.11 subsystem of the new BSS connection. 2110 */ 2111 static int 2112 mwifiex_cfg80211_assoc(struct mwifiex_private *priv, size_t ssid_len, 2113 const u8 *ssid, const u8 *bssid, int mode, 2114 struct ieee80211_channel *channel, 2115 struct cfg80211_connect_params *sme, bool privacy) 2116 { 2117 struct cfg80211_ssid req_ssid; 2118 int ret, auth_type = 0; 2119 struct cfg80211_bss *bss = NULL; 2120 u8 is_scanning_required = 0; 2121 2122 memset(&req_ssid, 0, sizeof(struct cfg80211_ssid)); 2123 2124 req_ssid.ssid_len = ssid_len; 2125 if (ssid_len > IEEE80211_MAX_SSID_LEN) { 2126 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2127 return -EINVAL; 2128 } 2129 2130 memcpy(req_ssid.ssid, ssid, ssid_len); 2131 if (!req_ssid.ssid_len || req_ssid.ssid[0] < 0x20) { 2132 mwifiex_dbg(priv->adapter, ERROR, "invalid SSID - aborting\n"); 2133 return -EINVAL; 2134 } 2135 2136 /* As this is new association, clear locally stored 2137 * keys and security related flags */ 2138 priv->sec_info.wpa_enabled = false; 2139 priv->sec_info.wpa2_enabled = false; 2140 priv->wep_key_curr_index = 0; 2141 priv->sec_info.encryption_mode = 0; 2142 priv->sec_info.is_authtype_auto = 0; 2143 ret = mwifiex_set_encode(priv, NULL, NULL, 0, 0, NULL, 1); 2144 2145 if (mode == NL80211_IFTYPE_ADHOC) { 2146 u16 enable = true; 2147 2148 /* set ibss coalescing_status */ 2149 ret = mwifiex_send_cmd( 2150 priv, 2151 HostCmd_CMD_802_11_IBSS_COALESCING_STATUS, 2152 HostCmd_ACT_GEN_SET, 0, &enable, true); 2153 if (ret) 2154 return ret; 2155 2156 /* "privacy" is set only for ad-hoc mode */ 2157 if (privacy) { 2158 /* 2159 * Keep WLAN_CIPHER_SUITE_WEP104 for now so that 2160 * the firmware can find a matching network from the 2161 * scan. The cfg80211 does not give us the encryption 2162 * mode at this stage so just setting it to WEP here. 2163 */ 2164 priv->sec_info.encryption_mode = 2165 WLAN_CIPHER_SUITE_WEP104; 2166 priv->sec_info.authentication_mode = 2167 NL80211_AUTHTYPE_OPEN_SYSTEM; 2168 } 2169 2170 goto done; 2171 } 2172 2173 /* Now handle infra mode. "sme" is valid for infra mode only */ 2174 if (sme->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { 2175 auth_type = NL80211_AUTHTYPE_OPEN_SYSTEM; 2176 priv->sec_info.is_authtype_auto = 1; 2177 } else { 2178 auth_type = sme->auth_type; 2179 } 2180 2181 if (sme->crypto.n_ciphers_pairwise) { 2182 priv->sec_info.encryption_mode = 2183 sme->crypto.ciphers_pairwise[0]; 2184 priv->sec_info.authentication_mode = auth_type; 2185 } 2186 2187 if (sme->crypto.cipher_group) { 2188 priv->sec_info.encryption_mode = sme->crypto.cipher_group; 2189 priv->sec_info.authentication_mode = auth_type; 2190 } 2191 if (sme->ie) 2192 ret = mwifiex_set_gen_ie(priv, sme->ie, sme->ie_len); 2193 2194 if (sme->key) { 2195 if (mwifiex_is_alg_wep(priv->sec_info.encryption_mode)) { 2196 mwifiex_dbg(priv->adapter, INFO, 2197 "info: setting wep encryption\t" 2198 "with key len %d\n", sme->key_len); 2199 priv->wep_key_curr_index = sme->key_idx; 2200 ret = mwifiex_set_encode(priv, NULL, sme->key, 2201 sme->key_len, sme->key_idx, 2202 NULL, 0); 2203 } 2204 } 2205 done: 2206 /* 2207 * Scan entries are valid for some time (15 sec). So we can save one 2208 * active scan time if we just try cfg80211_get_bss first. If it fails 2209 * then request scan and cfg80211_get_bss() again for final output. 2210 */ 2211 while (1) { 2212 if (is_scanning_required) { 2213 /* Do specific SSID scanning */ 2214 if (mwifiex_request_scan(priv, &req_ssid)) { 2215 mwifiex_dbg(priv->adapter, ERROR, "scan error\n"); 2216 return -EFAULT; 2217 } 2218 } 2219 2220 /* Find the BSS we want using available scan results */ 2221 if (mode == NL80211_IFTYPE_ADHOC) 2222 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2223 bssid, ssid, ssid_len, 2224 IEEE80211_BSS_TYPE_IBSS, 2225 IEEE80211_PRIVACY_ANY); 2226 else 2227 bss = cfg80211_get_bss(priv->wdev.wiphy, channel, 2228 bssid, ssid, ssid_len, 2229 IEEE80211_BSS_TYPE_ESS, 2230 IEEE80211_PRIVACY_ANY); 2231 2232 if (!bss) { 2233 if (is_scanning_required) { 2234 mwifiex_dbg(priv->adapter, WARN, 2235 "assoc: requested bss not found in scan results\n"); 2236 break; 2237 } 2238 is_scanning_required = 1; 2239 } else { 2240 mwifiex_dbg(priv->adapter, MSG, 2241 "info: trying to associate to '%.*s' bssid %pM\n", 2242 req_ssid.ssid_len, (char *)req_ssid.ssid, 2243 bss->bssid); 2244 memcpy(&priv->cfg_bssid, bss->bssid, ETH_ALEN); 2245 break; 2246 } 2247 } 2248 2249 ret = mwifiex_bss_start(priv, bss, &req_ssid); 2250 if (ret) 2251 return ret; 2252 2253 if (mode == NL80211_IFTYPE_ADHOC) { 2254 /* Inform the BSS information to kernel, otherwise 2255 * kernel will give a panic after successful assoc */ 2256 if (mwifiex_cfg80211_inform_ibss_bss(priv)) 2257 return -EFAULT; 2258 } 2259 2260 return ret; 2261 } 2262 2263 /* 2264 * CFG802.11 operation handler for association request. 2265 * 2266 * This function does not work when the current mode is set to Ad-Hoc, or 2267 * when there is already an association procedure going on. The given BSS 2268 * information is used to associate. 2269 */ 2270 static int 2271 mwifiex_cfg80211_connect(struct wiphy *wiphy, struct net_device *dev, 2272 struct cfg80211_connect_params *sme) 2273 { 2274 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2275 struct mwifiex_adapter *adapter = priv->adapter; 2276 int ret; 2277 2278 if (GET_BSS_ROLE(priv) != MWIFIEX_BSS_ROLE_STA) { 2279 mwifiex_dbg(adapter, ERROR, 2280 "%s: reject infra assoc request in non-STA role\n", 2281 dev->name); 2282 return -EINVAL; 2283 } 2284 2285 if (priv->wdev.current_bss) { 2286 mwifiex_dbg(adapter, ERROR, 2287 "%s: already connected\n", dev->name); 2288 return -EALREADY; 2289 } 2290 2291 if (priv->scan_block) 2292 priv->scan_block = false; 2293 2294 if (adapter->surprise_removed || adapter->is_cmd_timedout) { 2295 mwifiex_dbg(adapter, ERROR, 2296 "%s: Ignore connection.\t" 2297 "Card removed or FW in bad state\n", 2298 dev->name); 2299 return -EFAULT; 2300 } 2301 2302 mwifiex_dbg(adapter, INFO, 2303 "info: Trying to associate to %.*s and bssid %pM\n", 2304 (int)sme->ssid_len, (char *)sme->ssid, sme->bssid); 2305 2306 if (!mwifiex_stop_bg_scan(priv)) 2307 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); 2308 2309 ret = mwifiex_cfg80211_assoc(priv, sme->ssid_len, sme->ssid, sme->bssid, 2310 priv->bss_mode, sme->channel, sme, 0); 2311 if (!ret) { 2312 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, NULL, 0, 2313 NULL, 0, WLAN_STATUS_SUCCESS, 2314 GFP_KERNEL); 2315 mwifiex_dbg(priv->adapter, MSG, 2316 "info: associated to bssid %pM successfully\n", 2317 priv->cfg_bssid); 2318 if (ISSUPP_TDLS_ENABLED(priv->adapter->fw_cap_info) && 2319 priv->adapter->auto_tdls && 2320 priv->bss_type == MWIFIEX_BSS_TYPE_STA) 2321 mwifiex_setup_auto_tdls_timer(priv); 2322 } else { 2323 mwifiex_dbg(priv->adapter, ERROR, 2324 "info: association to bssid %pM failed\n", 2325 priv->cfg_bssid); 2326 eth_zero_addr(priv->cfg_bssid); 2327 2328 if (ret > 0) 2329 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2330 NULL, 0, NULL, 0, ret, 2331 GFP_KERNEL); 2332 else 2333 cfg80211_connect_result(priv->netdev, priv->cfg_bssid, 2334 NULL, 0, NULL, 0, 2335 WLAN_STATUS_UNSPECIFIED_FAILURE, 2336 GFP_KERNEL); 2337 } 2338 2339 return 0; 2340 } 2341 2342 /* 2343 * This function sets following parameters for ibss network. 2344 * - channel 2345 * - start band 2346 * - 11n flag 2347 * - secondary channel offset 2348 */ 2349 static int mwifiex_set_ibss_params(struct mwifiex_private *priv, 2350 struct cfg80211_ibss_params *params) 2351 { 2352 struct mwifiex_adapter *adapter = priv->adapter; 2353 int index = 0, i; 2354 u8 config_bands = 0; 2355 2356 if (params->chandef.chan->band == NL80211_BAND_2GHZ) { 2357 if (!params->basic_rates) { 2358 config_bands = BAND_B | BAND_G; 2359 } else { 2360 for (i = 0; i < mwifiex_band_2ghz.n_bitrates; i++) { 2361 /* 2362 * Rates below 6 Mbps in the table are CCK 2363 * rates; 802.11b and from 6 they are OFDM; 2364 * 802.11G 2365 */ 2366 if (mwifiex_rates[i].bitrate == 60) { 2367 index = 1 << i; 2368 break; 2369 } 2370 } 2371 2372 if (params->basic_rates < index) { 2373 config_bands = BAND_B; 2374 } else { 2375 config_bands = BAND_G; 2376 if (params->basic_rates % index) 2377 config_bands |= BAND_B; 2378 } 2379 } 2380 2381 if (cfg80211_get_chandef_type(¶ms->chandef) != 2382 NL80211_CHAN_NO_HT) 2383 config_bands |= BAND_G | BAND_GN; 2384 } else { 2385 if (cfg80211_get_chandef_type(¶ms->chandef) == 2386 NL80211_CHAN_NO_HT) 2387 config_bands = BAND_A; 2388 else 2389 config_bands = BAND_AN | BAND_A; 2390 } 2391 2392 if (!((config_bands | adapter->fw_bands) & ~adapter->fw_bands)) { 2393 adapter->config_bands = config_bands; 2394 adapter->adhoc_start_band = config_bands; 2395 2396 if ((config_bands & BAND_GN) || (config_bands & BAND_AN)) 2397 adapter->adhoc_11n_enabled = true; 2398 else 2399 adapter->adhoc_11n_enabled = false; 2400 } 2401 2402 adapter->sec_chan_offset = 2403 mwifiex_chan_type_to_sec_chan_offset( 2404 cfg80211_get_chandef_type(¶ms->chandef)); 2405 priv->adhoc_channel = ieee80211_frequency_to_channel( 2406 params->chandef.chan->center_freq); 2407 2408 mwifiex_dbg(adapter, INFO, 2409 "info: set ibss band %d, chan %d, chan offset %d\n", 2410 config_bands, priv->adhoc_channel, 2411 adapter->sec_chan_offset); 2412 2413 return 0; 2414 } 2415 2416 /* 2417 * CFG802.11 operation handler to join an IBSS. 2418 * 2419 * This function does not work in any mode other than Ad-Hoc, or if 2420 * a join operation is already in progress. 2421 */ 2422 static int 2423 mwifiex_cfg80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, 2424 struct cfg80211_ibss_params *params) 2425 { 2426 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2427 int ret = 0; 2428 2429 if (priv->bss_mode != NL80211_IFTYPE_ADHOC) { 2430 mwifiex_dbg(priv->adapter, ERROR, 2431 "request to join ibss received\t" 2432 "when station is not in ibss mode\n"); 2433 goto done; 2434 } 2435 2436 mwifiex_dbg(priv->adapter, MSG, 2437 "info: trying to join to %.*s and bssid %pM\n", 2438 params->ssid_len, (char *)params->ssid, params->bssid); 2439 2440 mwifiex_set_ibss_params(priv, params); 2441 2442 ret = mwifiex_cfg80211_assoc(priv, params->ssid_len, params->ssid, 2443 params->bssid, priv->bss_mode, 2444 params->chandef.chan, NULL, 2445 params->privacy); 2446 done: 2447 if (!ret) { 2448 cfg80211_ibss_joined(priv->netdev, priv->cfg_bssid, 2449 params->chandef.chan, GFP_KERNEL); 2450 mwifiex_dbg(priv->adapter, MSG, 2451 "info: joined/created adhoc network with bssid\t" 2452 "%pM successfully\n", priv->cfg_bssid); 2453 } else { 2454 mwifiex_dbg(priv->adapter, ERROR, 2455 "info: failed creating/joining adhoc network\n"); 2456 } 2457 2458 return ret; 2459 } 2460 2461 /* 2462 * CFG802.11 operation handler to leave an IBSS. 2463 * 2464 * This function does not work if a leave operation is 2465 * already in progress. 2466 */ 2467 static int 2468 mwifiex_cfg80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) 2469 { 2470 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2471 2472 mwifiex_dbg(priv->adapter, MSG, "info: disconnecting from essid %pM\n", 2473 priv->cfg_bssid); 2474 if (mwifiex_deauthenticate(priv, NULL)) 2475 return -EFAULT; 2476 2477 eth_zero_addr(priv->cfg_bssid); 2478 2479 return 0; 2480 } 2481 2482 /* 2483 * CFG802.11 operation handler for scan request. 2484 * 2485 * This function issues a scan request to the firmware based upon 2486 * the user specified scan configuration. On successful completion, 2487 * it also informs the results. 2488 */ 2489 static int 2490 mwifiex_cfg80211_scan(struct wiphy *wiphy, 2491 struct cfg80211_scan_request *request) 2492 { 2493 struct net_device *dev = request->wdev->netdev; 2494 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2495 int i, offset, ret; 2496 struct ieee80211_channel *chan; 2497 struct ieee_types_header *ie; 2498 struct mwifiex_user_scan_cfg *user_scan_cfg; 2499 2500 mwifiex_dbg(priv->adapter, CMD, 2501 "info: received scan request on %s\n", dev->name); 2502 2503 /* Block scan request if scan operation or scan cleanup when interface 2504 * is disabled is in process 2505 */ 2506 if (priv->scan_request || priv->scan_aborting) { 2507 mwifiex_dbg(priv->adapter, WARN, 2508 "cmd: Scan already in process..\n"); 2509 return -EBUSY; 2510 } 2511 2512 if (!priv->wdev.current_bss && priv->scan_block) 2513 priv->scan_block = false; 2514 2515 if (!mwifiex_stop_bg_scan(priv)) 2516 cfg80211_sched_scan_stopped_rtnl(priv->wdev.wiphy); 2517 2518 user_scan_cfg = kzalloc(sizeof(*user_scan_cfg), GFP_KERNEL); 2519 if (!user_scan_cfg) 2520 return -ENOMEM; 2521 2522 priv->scan_request = request; 2523 2524 if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { 2525 ether_addr_copy(priv->random_mac, request->mac_addr); 2526 for (i = 0; i < ETH_ALEN; i++) { 2527 priv->random_mac[i] &= request->mac_addr_mask[i]; 2528 priv->random_mac[i] |= get_random_int() & 2529 ~(request->mac_addr_mask[i]); 2530 } 2531 } 2532 2533 ether_addr_copy(user_scan_cfg->random_mac, priv->random_mac); 2534 user_scan_cfg->num_ssids = request->n_ssids; 2535 user_scan_cfg->ssid_list = request->ssids; 2536 2537 if (request->ie && request->ie_len) { 2538 offset = 0; 2539 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2540 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2541 continue; 2542 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_SCAN; 2543 ie = (struct ieee_types_header *)(request->ie + offset); 2544 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2545 offset += sizeof(*ie) + ie->len; 2546 2547 if (offset >= request->ie_len) 2548 break; 2549 } 2550 } 2551 2552 for (i = 0; i < min_t(u32, request->n_channels, 2553 MWIFIEX_USER_SCAN_CHAN_MAX); i++) { 2554 chan = request->channels[i]; 2555 user_scan_cfg->chan_list[i].chan_number = chan->hw_value; 2556 user_scan_cfg->chan_list[i].radio_type = chan->band; 2557 2558 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2559 user_scan_cfg->chan_list[i].scan_type = 2560 MWIFIEX_SCAN_TYPE_PASSIVE; 2561 else 2562 user_scan_cfg->chan_list[i].scan_type = 2563 MWIFIEX_SCAN_TYPE_ACTIVE; 2564 2565 user_scan_cfg->chan_list[i].scan_time = 0; 2566 } 2567 2568 if (priv->adapter->scan_chan_gap_enabled && 2569 mwifiex_is_any_intf_active(priv)) 2570 user_scan_cfg->scan_chan_gap = 2571 priv->adapter->scan_chan_gap_time; 2572 2573 ret = mwifiex_scan_networks(priv, user_scan_cfg); 2574 kfree(user_scan_cfg); 2575 if (ret) { 2576 mwifiex_dbg(priv->adapter, ERROR, 2577 "scan failed: %d\n", ret); 2578 priv->scan_aborting = false; 2579 priv->scan_request = NULL; 2580 return ret; 2581 } 2582 2583 if (request->ie && request->ie_len) { 2584 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2585 if (priv->vs_ie[i].mask == MWIFIEX_VSIE_MASK_SCAN) { 2586 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_CLEAR; 2587 memset(&priv->vs_ie[i].ie, 0, 2588 MWIFIEX_MAX_VSIE_LEN); 2589 } 2590 } 2591 } 2592 return 0; 2593 } 2594 2595 /* CFG802.11 operation handler for sched_scan_start. 2596 * 2597 * This function issues a bgscan config request to the firmware based upon 2598 * the user specified sched_scan configuration. On successful completion, 2599 * firmware will generate BGSCAN_REPORT event, driver should issue bgscan 2600 * query command to get sched_scan results from firmware. 2601 */ 2602 static int 2603 mwifiex_cfg80211_sched_scan_start(struct wiphy *wiphy, 2604 struct net_device *dev, 2605 struct cfg80211_sched_scan_request *request) 2606 { 2607 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2608 int i, offset; 2609 struct ieee80211_channel *chan; 2610 struct mwifiex_bg_scan_cfg *bgscan_cfg; 2611 struct ieee_types_header *ie; 2612 2613 if (!request || (!request->n_ssids && !request->n_match_sets)) { 2614 wiphy_err(wiphy, "%s : Invalid Sched_scan parameters", 2615 __func__); 2616 return -EINVAL; 2617 } 2618 2619 wiphy_info(wiphy, "sched_scan start : n_ssids=%d n_match_sets=%d ", 2620 request->n_ssids, request->n_match_sets); 2621 wiphy_info(wiphy, "n_channels=%d interval=%d ie_len=%d\n", 2622 request->n_channels, request->scan_plans->interval, 2623 (int)request->ie_len); 2624 2625 bgscan_cfg = kzalloc(sizeof(*bgscan_cfg), GFP_KERNEL); 2626 if (!bgscan_cfg) 2627 return -ENOMEM; 2628 2629 if (priv->scan_request || priv->scan_aborting) 2630 bgscan_cfg->start_later = true; 2631 2632 bgscan_cfg->num_ssids = request->n_match_sets; 2633 bgscan_cfg->ssid_list = request->match_sets; 2634 2635 if (request->ie && request->ie_len) { 2636 offset = 0; 2637 for (i = 0; i < MWIFIEX_MAX_VSIE_NUM; i++) { 2638 if (priv->vs_ie[i].mask != MWIFIEX_VSIE_MASK_CLEAR) 2639 continue; 2640 priv->vs_ie[i].mask = MWIFIEX_VSIE_MASK_BGSCAN; 2641 ie = (struct ieee_types_header *)(request->ie + offset); 2642 memcpy(&priv->vs_ie[i].ie, ie, sizeof(*ie) + ie->len); 2643 offset += sizeof(*ie) + ie->len; 2644 2645 if (offset >= request->ie_len) 2646 break; 2647 } 2648 } 2649 2650 for (i = 0; i < min_t(u32, request->n_channels, 2651 MWIFIEX_BG_SCAN_CHAN_MAX); i++) { 2652 chan = request->channels[i]; 2653 bgscan_cfg->chan_list[i].chan_number = chan->hw_value; 2654 bgscan_cfg->chan_list[i].radio_type = chan->band; 2655 2656 if ((chan->flags & IEEE80211_CHAN_NO_IR) || !request->n_ssids) 2657 bgscan_cfg->chan_list[i].scan_type = 2658 MWIFIEX_SCAN_TYPE_PASSIVE; 2659 else 2660 bgscan_cfg->chan_list[i].scan_type = 2661 MWIFIEX_SCAN_TYPE_ACTIVE; 2662 2663 bgscan_cfg->chan_list[i].scan_time = 0; 2664 } 2665 2666 bgscan_cfg->chan_per_scan = min_t(u32, request->n_channels, 2667 MWIFIEX_BG_SCAN_CHAN_MAX); 2668 2669 /* Use at least 15 second for per scan cycle */ 2670 bgscan_cfg->scan_interval = (request->scan_plans->interval > 2671 MWIFIEX_BGSCAN_INTERVAL) ? 2672 request->scan_plans->interval : 2673 MWIFIEX_BGSCAN_INTERVAL; 2674 2675 bgscan_cfg->repeat_count = MWIFIEX_BGSCAN_REPEAT_COUNT; 2676 bgscan_cfg->report_condition = MWIFIEX_BGSCAN_SSID_MATCH | 2677 MWIFIEX_BGSCAN_WAIT_ALL_CHAN_DONE; 2678 bgscan_cfg->bss_type = MWIFIEX_BSS_MODE_INFRA; 2679 bgscan_cfg->action = MWIFIEX_BGSCAN_ACT_SET; 2680 bgscan_cfg->enable = true; 2681 if (request->min_rssi_thold != NL80211_SCAN_RSSI_THOLD_OFF) { 2682 bgscan_cfg->report_condition |= MWIFIEX_BGSCAN_SSID_RSSI_MATCH; 2683 bgscan_cfg->rssi_threshold = request->min_rssi_thold; 2684 } 2685 2686 if (mwifiex_send_cmd(priv, HostCmd_CMD_802_11_BG_SCAN_CONFIG, 2687 HostCmd_ACT_GEN_SET, 0, bgscan_cfg, true)) { 2688 kfree(bgscan_cfg); 2689 return -EFAULT; 2690 } 2691 2692 priv->sched_scanning = true; 2693 2694 kfree(bgscan_cfg); 2695 return 0; 2696 } 2697 2698 /* CFG802.11 operation handler for sched_scan_stop. 2699 * 2700 * This function issues a bgscan config command to disable 2701 * previous bgscan configuration in the firmware 2702 */ 2703 static int mwifiex_cfg80211_sched_scan_stop(struct wiphy *wiphy, 2704 struct net_device *dev) 2705 { 2706 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 2707 2708 wiphy_info(wiphy, "sched scan stop!"); 2709 mwifiex_stop_bg_scan(priv); 2710 2711 return 0; 2712 } 2713 2714 static void mwifiex_setup_vht_caps(struct ieee80211_sta_vht_cap *vht_info, 2715 struct mwifiex_private *priv) 2716 { 2717 struct mwifiex_adapter *adapter = priv->adapter; 2718 2719 vht_info->vht_supported = true; 2720 2721 vht_info->cap = adapter->hw_dot_11ac_dev_cap; 2722 /* Update MCS support for VHT */ 2723 vht_info->vht_mcs.rx_mcs_map = cpu_to_le16( 2724 adapter->hw_dot_11ac_mcs_support & 0xFFFF); 2725 vht_info->vht_mcs.rx_highest = 0; 2726 vht_info->vht_mcs.tx_mcs_map = cpu_to_le16( 2727 adapter->hw_dot_11ac_mcs_support >> 16); 2728 vht_info->vht_mcs.tx_highest = 0; 2729 } 2730 2731 /* 2732 * This function sets up the CFG802.11 specific HT capability fields 2733 * with default values. 2734 * 2735 * The following default values are set - 2736 * - HT Supported = True 2737 * - Maximum AMPDU length factor = IEEE80211_HT_MAX_AMPDU_64K 2738 * - Minimum AMPDU spacing = IEEE80211_HT_MPDU_DENSITY_NONE 2739 * - HT Capabilities supported by firmware 2740 * - MCS information, Rx mask = 0xff 2741 * - MCD information, Tx parameters = IEEE80211_HT_MCS_TX_DEFINED (0x01) 2742 */ 2743 static void 2744 mwifiex_setup_ht_caps(struct ieee80211_sta_ht_cap *ht_info, 2745 struct mwifiex_private *priv) 2746 { 2747 int rx_mcs_supp; 2748 struct ieee80211_mcs_info mcs_set; 2749 u8 *mcs = (u8 *)&mcs_set; 2750 struct mwifiex_adapter *adapter = priv->adapter; 2751 2752 ht_info->ht_supported = true; 2753 ht_info->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K; 2754 ht_info->ampdu_density = IEEE80211_HT_MPDU_DENSITY_NONE; 2755 2756 memset(&ht_info->mcs, 0, sizeof(ht_info->mcs)); 2757 2758 /* Fill HT capability information */ 2759 if (ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2760 ht_info->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2761 else 2762 ht_info->cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; 2763 2764 if (ISSUPP_SHORTGI20(adapter->hw_dot_11n_dev_cap)) 2765 ht_info->cap |= IEEE80211_HT_CAP_SGI_20; 2766 else 2767 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_20; 2768 2769 if (ISSUPP_SHORTGI40(adapter->hw_dot_11n_dev_cap)) 2770 ht_info->cap |= IEEE80211_HT_CAP_SGI_40; 2771 else 2772 ht_info->cap &= ~IEEE80211_HT_CAP_SGI_40; 2773 2774 if (adapter->user_dev_mcs_support == HT_STREAM_2X2) 2775 ht_info->cap |= 2 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2776 else 2777 ht_info->cap |= 1 << IEEE80211_HT_CAP_RX_STBC_SHIFT; 2778 2779 if (ISSUPP_TXSTBC(adapter->hw_dot_11n_dev_cap)) 2780 ht_info->cap |= IEEE80211_HT_CAP_TX_STBC; 2781 else 2782 ht_info->cap &= ~IEEE80211_HT_CAP_TX_STBC; 2783 2784 if (ISSUPP_GREENFIELD(adapter->hw_dot_11n_dev_cap)) 2785 ht_info->cap |= IEEE80211_HT_CAP_GRN_FLD; 2786 else 2787 ht_info->cap &= ~IEEE80211_HT_CAP_GRN_FLD; 2788 2789 if (ISENABLED_40MHZ_INTOLERANT(adapter->hw_dot_11n_dev_cap)) 2790 ht_info->cap |= IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2791 else 2792 ht_info->cap &= ~IEEE80211_HT_CAP_40MHZ_INTOLERANT; 2793 2794 if (ISSUPP_RXLDPC(adapter->hw_dot_11n_dev_cap)) 2795 ht_info->cap |= IEEE80211_HT_CAP_LDPC_CODING; 2796 else 2797 ht_info->cap &= ~IEEE80211_HT_CAP_LDPC_CODING; 2798 2799 ht_info->cap &= ~IEEE80211_HT_CAP_MAX_AMSDU; 2800 ht_info->cap |= IEEE80211_HT_CAP_SM_PS; 2801 2802 rx_mcs_supp = GET_RXMCSSUPP(adapter->user_dev_mcs_support); 2803 /* Set MCS for 1x1/2x2 */ 2804 memset(mcs, 0xff, rx_mcs_supp); 2805 /* Clear all the other values */ 2806 memset(&mcs[rx_mcs_supp], 0, 2807 sizeof(struct ieee80211_mcs_info) - rx_mcs_supp); 2808 if (priv->bss_mode == NL80211_IFTYPE_STATION || 2809 ISSUPP_CHANWIDTH40(adapter->hw_dot_11n_dev_cap)) 2810 /* Set MCS32 for infra mode or ad-hoc mode with 40MHz support */ 2811 SETHT_MCS32(mcs_set.rx_mask); 2812 2813 memcpy((u8 *) &ht_info->mcs, mcs, sizeof(struct ieee80211_mcs_info)); 2814 2815 ht_info->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED; 2816 } 2817 2818 /* 2819 * create a new virtual interface with the given name and name assign type 2820 */ 2821 struct wireless_dev *mwifiex_add_virtual_intf(struct wiphy *wiphy, 2822 const char *name, 2823 unsigned char name_assign_type, 2824 enum nl80211_iftype type, 2825 u32 *flags, 2826 struct vif_params *params) 2827 { 2828 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 2829 struct mwifiex_private *priv; 2830 struct net_device *dev; 2831 void *mdev_priv; 2832 int ret; 2833 2834 if (!adapter) 2835 return ERR_PTR(-EFAULT); 2836 2837 switch (type) { 2838 case NL80211_IFTYPE_UNSPECIFIED: 2839 case NL80211_IFTYPE_STATION: 2840 case NL80211_IFTYPE_ADHOC: 2841 if (adapter->curr_iface_comb.sta_intf == 2842 adapter->iface_limit.sta_intf) { 2843 mwifiex_dbg(adapter, ERROR, 2844 "cannot create multiple sta/adhoc ifaces\n"); 2845 return ERR_PTR(-EINVAL); 2846 } 2847 2848 priv = mwifiex_get_unused_priv_by_bss_type( 2849 adapter, MWIFIEX_BSS_TYPE_STA); 2850 if (!priv) { 2851 mwifiex_dbg(adapter, ERROR, 2852 "could not get free private struct\n"); 2853 return ERR_PTR(-EFAULT); 2854 } 2855 2856 priv->wdev.wiphy = wiphy; 2857 priv->wdev.iftype = NL80211_IFTYPE_STATION; 2858 2859 if (type == NL80211_IFTYPE_UNSPECIFIED) 2860 priv->bss_mode = NL80211_IFTYPE_STATION; 2861 else 2862 priv->bss_mode = type; 2863 2864 priv->bss_type = MWIFIEX_BSS_TYPE_STA; 2865 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2866 priv->bss_priority = 0; 2867 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2868 2869 break; 2870 case NL80211_IFTYPE_AP: 2871 if (adapter->curr_iface_comb.uap_intf == 2872 adapter->iface_limit.uap_intf) { 2873 mwifiex_dbg(adapter, ERROR, 2874 "cannot create multiple AP ifaces\n"); 2875 return ERR_PTR(-EINVAL); 2876 } 2877 2878 priv = mwifiex_get_unused_priv_by_bss_type( 2879 adapter, MWIFIEX_BSS_TYPE_UAP); 2880 if (!priv) { 2881 mwifiex_dbg(adapter, ERROR, 2882 "could not get free private struct\n"); 2883 return ERR_PTR(-EFAULT); 2884 } 2885 2886 priv->wdev.wiphy = wiphy; 2887 priv->wdev.iftype = NL80211_IFTYPE_AP; 2888 2889 priv->bss_type = MWIFIEX_BSS_TYPE_UAP; 2890 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2891 priv->bss_priority = 0; 2892 priv->bss_role = MWIFIEX_BSS_ROLE_UAP; 2893 priv->bss_started = 0; 2894 priv->bss_mode = type; 2895 2896 break; 2897 case NL80211_IFTYPE_P2P_CLIENT: 2898 if (adapter->curr_iface_comb.p2p_intf == 2899 adapter->iface_limit.p2p_intf) { 2900 mwifiex_dbg(adapter, ERROR, 2901 "cannot create multiple P2P ifaces\n"); 2902 return ERR_PTR(-EINVAL); 2903 } 2904 2905 priv = mwifiex_get_unused_priv_by_bss_type( 2906 adapter, MWIFIEX_BSS_TYPE_P2P); 2907 if (!priv) { 2908 mwifiex_dbg(adapter, ERROR, 2909 "could not get free private struct\n"); 2910 return ERR_PTR(-EFAULT); 2911 } 2912 2913 priv->wdev.wiphy = wiphy; 2914 /* At start-up, wpa_supplicant tries to change the interface 2915 * to NL80211_IFTYPE_STATION if it is not managed mode. 2916 */ 2917 priv->wdev.iftype = NL80211_IFTYPE_P2P_CLIENT; 2918 priv->bss_mode = NL80211_IFTYPE_P2P_CLIENT; 2919 2920 /* Setting bss_type to P2P tells firmware that this interface 2921 * is receiving P2P peers found during find phase and doing 2922 * action frame handshake. 2923 */ 2924 priv->bss_type = MWIFIEX_BSS_TYPE_P2P; 2925 2926 priv->frame_type = MWIFIEX_DATA_FRAME_TYPE_ETH_II; 2927 priv->bss_priority = MWIFIEX_BSS_ROLE_STA; 2928 priv->bss_role = MWIFIEX_BSS_ROLE_STA; 2929 priv->bss_started = 0; 2930 2931 if (mwifiex_cfg80211_init_p2p_client(priv)) { 2932 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2933 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2934 return ERR_PTR(-EFAULT); 2935 } 2936 2937 break; 2938 default: 2939 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 2940 return ERR_PTR(-EINVAL); 2941 } 2942 2943 dev = alloc_netdev_mqs(sizeof(struct mwifiex_private *), name, 2944 name_assign_type, ether_setup, 2945 IEEE80211_NUM_ACS, 1); 2946 if (!dev) { 2947 mwifiex_dbg(adapter, ERROR, 2948 "no memory available for netdevice\n"); 2949 memset(&priv->wdev, 0, sizeof(priv->wdev)); 2950 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 2951 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 2952 return ERR_PTR(-ENOMEM); 2953 } 2954 2955 mwifiex_init_priv_params(priv, dev); 2956 priv->netdev = dev; 2957 2958 ret = mwifiex_send_cmd(priv, HostCmd_CMD_SET_BSS_MODE, 2959 HostCmd_ACT_GEN_SET, 0, NULL, true); 2960 if (ret) 2961 return ERR_PTR(ret); 2962 2963 ret = mwifiex_sta_init_cmd(priv, false, false); 2964 if (ret) 2965 return ERR_PTR(ret); 2966 2967 mwifiex_setup_ht_caps(&wiphy->bands[NL80211_BAND_2GHZ]->ht_cap, priv); 2968 if (adapter->is_hw_11ac_capable) 2969 mwifiex_setup_vht_caps( 2970 &wiphy->bands[NL80211_BAND_2GHZ]->vht_cap, priv); 2971 2972 if (adapter->config_bands & BAND_A) 2973 mwifiex_setup_ht_caps( 2974 &wiphy->bands[NL80211_BAND_5GHZ]->ht_cap, priv); 2975 2976 if ((adapter->config_bands & BAND_A) && adapter->is_hw_11ac_capable) 2977 mwifiex_setup_vht_caps( 2978 &wiphy->bands[NL80211_BAND_5GHZ]->vht_cap, priv); 2979 2980 dev_net_set(dev, wiphy_net(wiphy)); 2981 dev->ieee80211_ptr = &priv->wdev; 2982 dev->ieee80211_ptr->iftype = priv->bss_mode; 2983 memcpy(dev->dev_addr, wiphy->perm_addr, ETH_ALEN); 2984 SET_NETDEV_DEV(dev, wiphy_dev(wiphy)); 2985 2986 dev->flags |= IFF_BROADCAST | IFF_MULTICAST; 2987 dev->watchdog_timeo = MWIFIEX_DEFAULT_WATCHDOG_TIMEOUT; 2988 dev->hard_header_len += MWIFIEX_MIN_DATA_HEADER_LEN; 2989 dev->ethtool_ops = &mwifiex_ethtool_ops; 2990 2991 mdev_priv = netdev_priv(dev); 2992 *((unsigned long *) mdev_priv) = (unsigned long) priv; 2993 2994 SET_NETDEV_DEV(dev, adapter->dev); 2995 2996 /* Register network device */ 2997 if (register_netdevice(dev)) { 2998 mwifiex_dbg(adapter, ERROR, 2999 "cannot register virtual network device\n"); 3000 free_netdev(dev); 3001 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3002 priv->netdev = NULL; 3003 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3004 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3005 return ERR_PTR(-EFAULT); 3006 } 3007 3008 priv->dfs_cac_workqueue = alloc_workqueue("MWIFIEX_DFS_CAC%s", 3009 WQ_HIGHPRI | 3010 WQ_MEM_RECLAIM | 3011 WQ_UNBOUND, 1, name); 3012 if (!priv->dfs_cac_workqueue) { 3013 mwifiex_dbg(adapter, ERROR, 3014 "cannot register virtual network device\n"); 3015 free_netdev(dev); 3016 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3017 priv->netdev = NULL; 3018 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3019 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3020 return ERR_PTR(-ENOMEM); 3021 } 3022 3023 INIT_DELAYED_WORK(&priv->dfs_cac_work, mwifiex_dfs_cac_work_queue); 3024 3025 priv->dfs_chan_sw_workqueue = alloc_workqueue("MWIFIEX_DFS_CHSW%s", 3026 WQ_HIGHPRI | WQ_UNBOUND | 3027 WQ_MEM_RECLAIM, 1, name); 3028 if (!priv->dfs_chan_sw_workqueue) { 3029 mwifiex_dbg(adapter, ERROR, 3030 "cannot register virtual network device\n"); 3031 free_netdev(dev); 3032 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3033 priv->netdev = NULL; 3034 memset(&priv->wdev, 0, sizeof(priv->wdev)); 3035 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3036 destroy_workqueue(priv->dfs_cac_workqueue); 3037 priv->dfs_cac_workqueue = NULL; 3038 return ERR_PTR(-ENOMEM); 3039 } 3040 3041 INIT_DELAYED_WORK(&priv->dfs_chan_sw_work, 3042 mwifiex_dfs_chan_sw_work_queue); 3043 3044 sema_init(&priv->async_sem, 1); 3045 3046 mwifiex_dbg(adapter, INFO, 3047 "info: %s: Marvell 802.11 Adapter\n", dev->name); 3048 3049 #ifdef CONFIG_DEBUG_FS 3050 mwifiex_dev_debugfs_init(priv); 3051 #endif 3052 3053 switch (type) { 3054 case NL80211_IFTYPE_UNSPECIFIED: 3055 case NL80211_IFTYPE_STATION: 3056 case NL80211_IFTYPE_ADHOC: 3057 adapter->curr_iface_comb.sta_intf++; 3058 break; 3059 case NL80211_IFTYPE_AP: 3060 adapter->curr_iface_comb.uap_intf++; 3061 break; 3062 case NL80211_IFTYPE_P2P_CLIENT: 3063 adapter->curr_iface_comb.p2p_intf++; 3064 break; 3065 default: 3066 mwifiex_dbg(adapter, ERROR, "type not supported\n"); 3067 return ERR_PTR(-EINVAL); 3068 } 3069 3070 return &priv->wdev; 3071 } 3072 EXPORT_SYMBOL_GPL(mwifiex_add_virtual_intf); 3073 3074 /* 3075 * del_virtual_intf: remove the virtual interface determined by dev 3076 */ 3077 int mwifiex_del_virtual_intf(struct wiphy *wiphy, struct wireless_dev *wdev) 3078 { 3079 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3080 struct mwifiex_adapter *adapter = priv->adapter; 3081 struct sk_buff *skb, *tmp; 3082 3083 #ifdef CONFIG_DEBUG_FS 3084 mwifiex_dev_debugfs_remove(priv); 3085 #endif 3086 3087 if (priv->sched_scanning) 3088 priv->sched_scanning = false; 3089 3090 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3091 3092 skb_queue_walk_safe(&priv->bypass_txq, skb, tmp) { 3093 skb_unlink(skb, &priv->bypass_txq); 3094 mwifiex_write_data_complete(priv->adapter, skb, 0, -1); 3095 } 3096 3097 if (netif_carrier_ok(priv->netdev)) 3098 netif_carrier_off(priv->netdev); 3099 3100 if (wdev->netdev->reg_state == NETREG_REGISTERED) 3101 unregister_netdevice(wdev->netdev); 3102 3103 if (priv->dfs_cac_workqueue) { 3104 flush_workqueue(priv->dfs_cac_workqueue); 3105 destroy_workqueue(priv->dfs_cac_workqueue); 3106 priv->dfs_cac_workqueue = NULL; 3107 } 3108 3109 if (priv->dfs_chan_sw_workqueue) { 3110 flush_workqueue(priv->dfs_chan_sw_workqueue); 3111 destroy_workqueue(priv->dfs_chan_sw_workqueue); 3112 priv->dfs_chan_sw_workqueue = NULL; 3113 } 3114 /* Clear the priv in adapter */ 3115 priv->netdev->ieee80211_ptr = NULL; 3116 priv->netdev = NULL; 3117 priv->wdev.iftype = NL80211_IFTYPE_UNSPECIFIED; 3118 3119 priv->media_connected = false; 3120 3121 switch (priv->bss_mode) { 3122 case NL80211_IFTYPE_UNSPECIFIED: 3123 case NL80211_IFTYPE_STATION: 3124 case NL80211_IFTYPE_ADHOC: 3125 adapter->curr_iface_comb.sta_intf--; 3126 break; 3127 case NL80211_IFTYPE_AP: 3128 adapter->curr_iface_comb.uap_intf--; 3129 break; 3130 case NL80211_IFTYPE_P2P_CLIENT: 3131 case NL80211_IFTYPE_P2P_GO: 3132 adapter->curr_iface_comb.p2p_intf--; 3133 break; 3134 default: 3135 mwifiex_dbg(adapter, ERROR, 3136 "del_virtual_intf: type not supported\n"); 3137 break; 3138 } 3139 3140 priv->bss_mode = NL80211_IFTYPE_UNSPECIFIED; 3141 3142 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_STA || 3143 GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP) 3144 kfree(priv->hist_data); 3145 3146 return 0; 3147 } 3148 EXPORT_SYMBOL_GPL(mwifiex_del_virtual_intf); 3149 3150 static bool 3151 mwifiex_is_pattern_supported(struct cfg80211_pkt_pattern *pat, s8 *byte_seq, 3152 u8 max_byte_seq) 3153 { 3154 int j, k, valid_byte_cnt = 0; 3155 bool dont_care_byte = false; 3156 3157 for (j = 0; j < DIV_ROUND_UP(pat->pattern_len, 8); j++) { 3158 for (k = 0; k < 8; k++) { 3159 if (pat->mask[j] & 1 << k) { 3160 memcpy(byte_seq + valid_byte_cnt, 3161 &pat->pattern[j * 8 + k], 1); 3162 valid_byte_cnt++; 3163 if (dont_care_byte) 3164 return false; 3165 } else { 3166 if (valid_byte_cnt) 3167 dont_care_byte = true; 3168 } 3169 3170 /* wildcard bytes record as the offset 3171 * before the valid byte 3172 */ 3173 if (!valid_byte_cnt && !dont_care_byte) 3174 pat->pkt_offset++; 3175 3176 if (valid_byte_cnt > max_byte_seq) 3177 return false; 3178 } 3179 } 3180 3181 byte_seq[max_byte_seq] = valid_byte_cnt; 3182 3183 return true; 3184 } 3185 3186 #ifdef CONFIG_PM 3187 static void mwifiex_set_auto_arp_mef_entry(struct mwifiex_private *priv, 3188 struct mwifiex_mef_entry *mef_entry) 3189 { 3190 int i, filt_num = 0, num_ipv4 = 0; 3191 struct in_device *in_dev; 3192 struct in_ifaddr *ifa; 3193 __be32 ips[MWIFIEX_MAX_SUPPORTED_IPADDR]; 3194 struct mwifiex_adapter *adapter = priv->adapter; 3195 3196 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3197 mef_entry->action = MEF_ACTION_AUTO_ARP; 3198 3199 /* Enable ARP offload feature */ 3200 memset(ips, 0, sizeof(ips)); 3201 for (i = 0; i < MWIFIEX_MAX_BSS_NUM; i++) { 3202 if (adapter->priv[i]->netdev) { 3203 in_dev = __in_dev_get_rtnl(adapter->priv[i]->netdev); 3204 if (!in_dev) 3205 continue; 3206 ifa = in_dev->ifa_list; 3207 if (!ifa || !ifa->ifa_local) 3208 continue; 3209 ips[i] = ifa->ifa_local; 3210 num_ipv4++; 3211 } 3212 } 3213 3214 for (i = 0; i < num_ipv4; i++) { 3215 if (!ips[i]) 3216 continue; 3217 mef_entry->filter[filt_num].repeat = 1; 3218 memcpy(mef_entry->filter[filt_num].byte_seq, 3219 (u8 *)&ips[i], sizeof(ips[i])); 3220 mef_entry->filter[filt_num]. 3221 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3222 sizeof(ips[i]); 3223 mef_entry->filter[filt_num].offset = 46; 3224 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3225 if (filt_num) { 3226 mef_entry->filter[filt_num].filt_action = 3227 TYPE_OR; 3228 } 3229 filt_num++; 3230 } 3231 3232 mef_entry->filter[filt_num].repeat = 1; 3233 mef_entry->filter[filt_num].byte_seq[0] = 0x08; 3234 mef_entry->filter[filt_num].byte_seq[1] = 0x06; 3235 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 2; 3236 mef_entry->filter[filt_num].offset = 20; 3237 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3238 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3239 } 3240 3241 static int mwifiex_set_wowlan_mef_entry(struct mwifiex_private *priv, 3242 struct mwifiex_ds_mef_cfg *mef_cfg, 3243 struct mwifiex_mef_entry *mef_entry, 3244 struct cfg80211_wowlan *wowlan) 3245 { 3246 int i, filt_num = 0, ret = 0; 3247 bool first_pat = true; 3248 u8 byte_seq[MWIFIEX_MEF_MAX_BYTESEQ + 1]; 3249 const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3250 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3251 3252 mef_entry->mode = MEF_MODE_HOST_SLEEP; 3253 mef_entry->action = MEF_ACTION_ALLOW_AND_WAKEUP_HOST; 3254 3255 for (i = 0; i < wowlan->n_patterns; i++) { 3256 memset(byte_seq, 0, sizeof(byte_seq)); 3257 if (!mwifiex_is_pattern_supported(&wowlan->patterns[i], 3258 byte_seq, 3259 MWIFIEX_MEF_MAX_BYTESEQ)) { 3260 mwifiex_dbg(priv->adapter, ERROR, 3261 "Pattern not supported\n"); 3262 return -EOPNOTSUPP; 3263 } 3264 3265 if (!wowlan->patterns[i].pkt_offset) { 3266 if (!(byte_seq[0] & 0x01) && 3267 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 1)) { 3268 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3269 continue; 3270 } else if (is_broadcast_ether_addr(byte_seq)) { 3271 mef_cfg->criteria |= MWIFIEX_CRITERIA_BROADCAST; 3272 continue; 3273 } else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3274 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 2)) || 3275 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3276 (byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] == 3))) { 3277 mef_cfg->criteria |= MWIFIEX_CRITERIA_MULTICAST; 3278 continue; 3279 } 3280 } 3281 mef_entry->filter[filt_num].repeat = 1; 3282 mef_entry->filter[filt_num].offset = 3283 wowlan->patterns[i].pkt_offset; 3284 memcpy(mef_entry->filter[filt_num].byte_seq, byte_seq, 3285 sizeof(byte_seq)); 3286 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3287 3288 if (first_pat) { 3289 first_pat = false; 3290 mwifiex_dbg(priv->adapter, INFO, "Wake on patterns\n"); 3291 } else { 3292 mef_entry->filter[filt_num].filt_action = TYPE_AND; 3293 } 3294 3295 filt_num++; 3296 } 3297 3298 if (wowlan->magic_pkt) { 3299 mef_cfg->criteria |= MWIFIEX_CRITERIA_UNICAST; 3300 mef_entry->filter[filt_num].repeat = 16; 3301 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3302 ETH_ALEN); 3303 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3304 ETH_ALEN; 3305 mef_entry->filter[filt_num].offset = 28; 3306 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3307 if (filt_num) 3308 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3309 3310 filt_num++; 3311 mef_entry->filter[filt_num].repeat = 16; 3312 memcpy(mef_entry->filter[filt_num].byte_seq, priv->curr_addr, 3313 ETH_ALEN); 3314 mef_entry->filter[filt_num].byte_seq[MWIFIEX_MEF_MAX_BYTESEQ] = 3315 ETH_ALEN; 3316 mef_entry->filter[filt_num].offset = 56; 3317 mef_entry->filter[filt_num].filt_type = TYPE_EQ; 3318 mef_entry->filter[filt_num].filt_action = TYPE_OR; 3319 mwifiex_dbg(priv->adapter, INFO, "Wake on magic packet\n"); 3320 } 3321 return ret; 3322 } 3323 3324 static int mwifiex_set_mef_filter(struct mwifiex_private *priv, 3325 struct cfg80211_wowlan *wowlan) 3326 { 3327 int ret = 0, num_entries = 1; 3328 struct mwifiex_ds_mef_cfg mef_cfg; 3329 struct mwifiex_mef_entry *mef_entry; 3330 3331 if (wowlan->n_patterns || wowlan->magic_pkt) 3332 num_entries++; 3333 3334 mef_entry = kcalloc(num_entries, sizeof(*mef_entry), GFP_KERNEL); 3335 if (!mef_entry) 3336 return -ENOMEM; 3337 3338 memset(&mef_cfg, 0, sizeof(mef_cfg)); 3339 mef_cfg.criteria |= MWIFIEX_CRITERIA_BROADCAST | 3340 MWIFIEX_CRITERIA_UNICAST; 3341 mef_cfg.num_entries = num_entries; 3342 mef_cfg.mef_entry = mef_entry; 3343 3344 mwifiex_set_auto_arp_mef_entry(priv, &mef_entry[0]); 3345 3346 if (wowlan->n_patterns || wowlan->magic_pkt) { 3347 ret = mwifiex_set_wowlan_mef_entry(priv, &mef_cfg, 3348 &mef_entry[1], wowlan); 3349 if (ret) 3350 goto err; 3351 } 3352 3353 if (!mef_cfg.criteria) 3354 mef_cfg.criteria = MWIFIEX_CRITERIA_BROADCAST | 3355 MWIFIEX_CRITERIA_UNICAST | 3356 MWIFIEX_CRITERIA_MULTICAST; 3357 3358 ret = mwifiex_send_cmd(priv, HostCmd_CMD_MEF_CFG, 3359 HostCmd_ACT_GEN_SET, 0, 3360 &mef_cfg, true); 3361 3362 err: 3363 kfree(mef_entry); 3364 return ret; 3365 } 3366 3367 static int mwifiex_cfg80211_suspend(struct wiphy *wiphy, 3368 struct cfg80211_wowlan *wowlan) 3369 { 3370 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3371 struct mwifiex_ds_hs_cfg hs_cfg; 3372 int i, ret = 0, retry_num = 10; 3373 struct mwifiex_private *priv; 3374 struct mwifiex_private *sta_priv = 3375 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3376 3377 sta_priv->scan_aborting = true; 3378 for (i = 0; i < adapter->priv_num; i++) { 3379 priv = adapter->priv[i]; 3380 mwifiex_abort_cac(priv); 3381 } 3382 3383 mwifiex_cancel_all_pending_cmd(adapter); 3384 3385 for (i = 0; i < adapter->priv_num; i++) { 3386 priv = adapter->priv[i]; 3387 if (priv && priv->netdev) { 3388 mwifiex_stop_net_dev_queue(priv->netdev, adapter); 3389 if (netif_carrier_ok(priv->netdev)) 3390 netif_carrier_off(priv->netdev); 3391 } 3392 } 3393 3394 for (i = 0; i < retry_num; i++) { 3395 if (!mwifiex_wmm_lists_empty(adapter) || 3396 !mwifiex_bypass_txlist_empty(adapter) || 3397 !skb_queue_empty(&adapter->tx_data_q)) 3398 usleep_range(10000, 15000); 3399 else 3400 break; 3401 } 3402 3403 if (!wowlan) { 3404 mwifiex_dbg(adapter, ERROR, 3405 "None of the WOWLAN triggers enabled\n"); 3406 ret = 0; 3407 goto done; 3408 } 3409 3410 if (!sta_priv->media_connected && !wowlan->nd_config) { 3411 mwifiex_dbg(adapter, ERROR, 3412 "Can not configure WOWLAN in disconnected state\n"); 3413 ret = 0; 3414 goto done; 3415 } 3416 3417 ret = mwifiex_set_mef_filter(sta_priv, wowlan); 3418 if (ret) { 3419 mwifiex_dbg(adapter, ERROR, "Failed to set MEF filter\n"); 3420 goto done; 3421 } 3422 3423 memset(&hs_cfg, 0, sizeof(hs_cfg)); 3424 hs_cfg.conditions = le32_to_cpu(adapter->hs_cfg.conditions); 3425 3426 if (wowlan->nd_config) { 3427 mwifiex_dbg(adapter, INFO, "Wake on net detect\n"); 3428 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3429 mwifiex_cfg80211_sched_scan_start(wiphy, sta_priv->netdev, 3430 wowlan->nd_config); 3431 } 3432 3433 if (wowlan->disconnect) { 3434 hs_cfg.conditions |= HS_CFG_COND_MAC_EVENT; 3435 mwifiex_dbg(sta_priv->adapter, INFO, "Wake on device disconnect\n"); 3436 } 3437 3438 hs_cfg.is_invoke_hostcmd = false; 3439 hs_cfg.gpio = adapter->hs_cfg.gpio; 3440 hs_cfg.gap = adapter->hs_cfg.gap; 3441 ret = mwifiex_set_hs_params(sta_priv, HostCmd_ACT_GEN_SET, 3442 MWIFIEX_SYNC_CMD, &hs_cfg); 3443 if (ret) 3444 mwifiex_dbg(adapter, ERROR, "Failed to set HS params\n"); 3445 3446 done: 3447 sta_priv->scan_aborting = false; 3448 return ret; 3449 } 3450 3451 static int mwifiex_cfg80211_resume(struct wiphy *wiphy) 3452 { 3453 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3454 struct mwifiex_private *priv; 3455 struct mwifiex_ds_wakeup_reason wakeup_reason; 3456 struct cfg80211_wowlan_wakeup wakeup_report; 3457 int i; 3458 bool report_wakeup_reason = true; 3459 3460 for (i = 0; i < adapter->priv_num; i++) { 3461 priv = adapter->priv[i]; 3462 if (priv && priv->netdev) { 3463 if (!netif_carrier_ok(priv->netdev)) 3464 netif_carrier_on(priv->netdev); 3465 mwifiex_wake_up_net_dev_queue(priv->netdev, adapter); 3466 } 3467 } 3468 3469 if (!wiphy->wowlan_config) 3470 goto done; 3471 3472 priv = mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3473 mwifiex_get_wakeup_reason(priv, HostCmd_ACT_GEN_GET, MWIFIEX_SYNC_CMD, 3474 &wakeup_reason); 3475 memset(&wakeup_report, 0, sizeof(struct cfg80211_wowlan_wakeup)); 3476 3477 wakeup_report.pattern_idx = -1; 3478 3479 switch (wakeup_reason.hs_wakeup_reason) { 3480 case NO_HSWAKEUP_REASON: 3481 break; 3482 case BCAST_DATA_MATCHED: 3483 break; 3484 case MCAST_DATA_MATCHED: 3485 break; 3486 case UCAST_DATA_MATCHED: 3487 break; 3488 case MASKTABLE_EVENT_MATCHED: 3489 break; 3490 case NON_MASKABLE_EVENT_MATCHED: 3491 if (wiphy->wowlan_config->disconnect) 3492 wakeup_report.disconnect = true; 3493 if (wiphy->wowlan_config->nd_config) 3494 wakeup_report.net_detect = adapter->nd_info; 3495 break; 3496 case NON_MASKABLE_CONDITION_MATCHED: 3497 break; 3498 case MAGIC_PATTERN_MATCHED: 3499 if (wiphy->wowlan_config->magic_pkt) 3500 wakeup_report.magic_pkt = true; 3501 if (wiphy->wowlan_config->n_patterns) 3502 wakeup_report.pattern_idx = 1; 3503 break; 3504 case GTK_REKEY_FAILURE: 3505 if (wiphy->wowlan_config->gtk_rekey_failure) 3506 wakeup_report.gtk_rekey_failure = true; 3507 break; 3508 default: 3509 report_wakeup_reason = false; 3510 break; 3511 } 3512 3513 if (report_wakeup_reason) 3514 cfg80211_report_wowlan_wakeup(&priv->wdev, &wakeup_report, 3515 GFP_KERNEL); 3516 3517 done: 3518 if (adapter->nd_info) { 3519 for (i = 0 ; i < adapter->nd_info->n_matches ; i++) 3520 kfree(adapter->nd_info->matches[i]); 3521 kfree(adapter->nd_info); 3522 adapter->nd_info = NULL; 3523 } 3524 3525 return 0; 3526 } 3527 3528 static void mwifiex_cfg80211_set_wakeup(struct wiphy *wiphy, 3529 bool enabled) 3530 { 3531 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3532 3533 device_set_wakeup_enable(adapter->dev, enabled); 3534 } 3535 3536 static int mwifiex_set_rekey_data(struct wiphy *wiphy, struct net_device *dev, 3537 struct cfg80211_gtk_rekey_data *data) 3538 { 3539 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3540 3541 return mwifiex_send_cmd(priv, HostCmd_CMD_GTK_REKEY_OFFLOAD_CFG, 3542 HostCmd_ACT_GEN_SET, 0, data, true); 3543 } 3544 3545 #endif 3546 3547 static int mwifiex_get_coalesce_pkt_type(u8 *byte_seq) 3548 { 3549 const u8 ipv4_mc_mac[] = {0x33, 0x33}; 3550 const u8 ipv6_mc_mac[] = {0x01, 0x00, 0x5e}; 3551 const u8 bc_mac[] = {0xff, 0xff, 0xff, 0xff}; 3552 3553 if ((byte_seq[0] & 0x01) && 3554 (byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 1)) 3555 return PACKET_TYPE_UNICAST; 3556 else if (!memcmp(byte_seq, bc_mac, 4)) 3557 return PACKET_TYPE_BROADCAST; 3558 else if ((!memcmp(byte_seq, ipv4_mc_mac, 2) && 3559 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 2) || 3560 (!memcmp(byte_seq, ipv6_mc_mac, 3) && 3561 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ] == 3)) 3562 return PACKET_TYPE_MULTICAST; 3563 3564 return 0; 3565 } 3566 3567 static int 3568 mwifiex_fill_coalesce_rule_info(struct mwifiex_private *priv, 3569 struct cfg80211_coalesce_rules *crule, 3570 struct mwifiex_coalesce_rule *mrule) 3571 { 3572 u8 byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ + 1]; 3573 struct filt_field_param *param; 3574 int i; 3575 3576 mrule->max_coalescing_delay = crule->delay; 3577 3578 param = mrule->params; 3579 3580 for (i = 0; i < crule->n_patterns; i++) { 3581 memset(byte_seq, 0, sizeof(byte_seq)); 3582 if (!mwifiex_is_pattern_supported(&crule->patterns[i], 3583 byte_seq, 3584 MWIFIEX_COALESCE_MAX_BYTESEQ)) { 3585 mwifiex_dbg(priv->adapter, ERROR, 3586 "Pattern not supported\n"); 3587 return -EOPNOTSUPP; 3588 } 3589 3590 if (!crule->patterns[i].pkt_offset) { 3591 u8 pkt_type; 3592 3593 pkt_type = mwifiex_get_coalesce_pkt_type(byte_seq); 3594 if (pkt_type && mrule->pkt_type) { 3595 mwifiex_dbg(priv->adapter, ERROR, 3596 "Multiple packet types not allowed\n"); 3597 return -EOPNOTSUPP; 3598 } else if (pkt_type) { 3599 mrule->pkt_type = pkt_type; 3600 continue; 3601 } 3602 } 3603 3604 if (crule->condition == NL80211_COALESCE_CONDITION_MATCH) 3605 param->operation = RECV_FILTER_MATCH_TYPE_EQ; 3606 else 3607 param->operation = RECV_FILTER_MATCH_TYPE_NE; 3608 3609 param->operand_len = byte_seq[MWIFIEX_COALESCE_MAX_BYTESEQ]; 3610 memcpy(param->operand_byte_stream, byte_seq, 3611 param->operand_len); 3612 param->offset = crule->patterns[i].pkt_offset; 3613 param++; 3614 3615 mrule->num_of_fields++; 3616 } 3617 3618 if (!mrule->pkt_type) { 3619 mwifiex_dbg(priv->adapter, ERROR, 3620 "Packet type can not be determined\n"); 3621 return -EOPNOTSUPP; 3622 } 3623 3624 return 0; 3625 } 3626 3627 static int mwifiex_cfg80211_set_coalesce(struct wiphy *wiphy, 3628 struct cfg80211_coalesce *coalesce) 3629 { 3630 struct mwifiex_adapter *adapter = mwifiex_cfg80211_get_adapter(wiphy); 3631 int i, ret; 3632 struct mwifiex_ds_coalesce_cfg coalesce_cfg; 3633 struct mwifiex_private *priv = 3634 mwifiex_get_priv(adapter, MWIFIEX_BSS_ROLE_STA); 3635 3636 memset(&coalesce_cfg, 0, sizeof(coalesce_cfg)); 3637 if (!coalesce) { 3638 mwifiex_dbg(adapter, WARN, 3639 "Disable coalesce and reset all previous rules\n"); 3640 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3641 HostCmd_ACT_GEN_SET, 0, 3642 &coalesce_cfg, true); 3643 } 3644 3645 coalesce_cfg.num_of_rules = coalesce->n_rules; 3646 for (i = 0; i < coalesce->n_rules; i++) { 3647 ret = mwifiex_fill_coalesce_rule_info(priv, &coalesce->rules[i], 3648 &coalesce_cfg.rule[i]); 3649 if (ret) { 3650 mwifiex_dbg(adapter, ERROR, 3651 "Recheck the patterns provided for rule %d\n", 3652 i + 1); 3653 return ret; 3654 } 3655 } 3656 3657 return mwifiex_send_cmd(priv, HostCmd_CMD_COALESCE_CFG, 3658 HostCmd_ACT_GEN_SET, 0, &coalesce_cfg, true); 3659 } 3660 3661 /* cfg80211 ops handler for tdls_mgmt. 3662 * Function prepares TDLS action frame packets and forwards them to FW 3663 */ 3664 static int 3665 mwifiex_cfg80211_tdls_mgmt(struct wiphy *wiphy, struct net_device *dev, 3666 const u8 *peer, u8 action_code, u8 dialog_token, 3667 u16 status_code, u32 peer_capability, 3668 bool initiator, const u8 *extra_ies, 3669 size_t extra_ies_len) 3670 { 3671 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3672 int ret; 3673 3674 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS)) 3675 return -ENOTSUPP; 3676 3677 /* make sure we are in station mode and connected */ 3678 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3679 return -ENOTSUPP; 3680 3681 switch (action_code) { 3682 case WLAN_TDLS_SETUP_REQUEST: 3683 mwifiex_dbg(priv->adapter, MSG, 3684 "Send TDLS Setup Request to %pM status_code=%d\n", 3685 peer, status_code); 3686 mwifiex_add_auto_tdls_peer(priv, peer); 3687 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3688 dialog_token, status_code, 3689 extra_ies, extra_ies_len); 3690 break; 3691 case WLAN_TDLS_SETUP_RESPONSE: 3692 mwifiex_add_auto_tdls_peer(priv, peer); 3693 mwifiex_dbg(priv->adapter, MSG, 3694 "Send TDLS Setup Response to %pM status_code=%d\n", 3695 peer, status_code); 3696 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3697 dialog_token, status_code, 3698 extra_ies, extra_ies_len); 3699 break; 3700 case WLAN_TDLS_SETUP_CONFIRM: 3701 mwifiex_dbg(priv->adapter, MSG, 3702 "Send TDLS Confirm to %pM status_code=%d\n", peer, 3703 status_code); 3704 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3705 dialog_token, status_code, 3706 extra_ies, extra_ies_len); 3707 break; 3708 case WLAN_TDLS_TEARDOWN: 3709 mwifiex_dbg(priv->adapter, MSG, 3710 "Send TDLS Tear down to %pM\n", peer); 3711 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3712 dialog_token, status_code, 3713 extra_ies, extra_ies_len); 3714 break; 3715 case WLAN_TDLS_DISCOVERY_REQUEST: 3716 mwifiex_dbg(priv->adapter, MSG, 3717 "Send TDLS Discovery Request to %pM\n", peer); 3718 ret = mwifiex_send_tdls_data_frame(priv, peer, action_code, 3719 dialog_token, status_code, 3720 extra_ies, extra_ies_len); 3721 break; 3722 case WLAN_PUB_ACTION_TDLS_DISCOVER_RES: 3723 mwifiex_dbg(priv->adapter, MSG, 3724 "Send TDLS Discovery Response to %pM\n", peer); 3725 ret = mwifiex_send_tdls_action_frame(priv, peer, action_code, 3726 dialog_token, status_code, 3727 extra_ies, extra_ies_len); 3728 break; 3729 default: 3730 mwifiex_dbg(priv->adapter, ERROR, 3731 "Unknown TDLS mgmt/action frame %pM\n", peer); 3732 ret = -EINVAL; 3733 break; 3734 } 3735 3736 return ret; 3737 } 3738 3739 static int 3740 mwifiex_cfg80211_tdls_oper(struct wiphy *wiphy, struct net_device *dev, 3741 const u8 *peer, enum nl80211_tdls_operation action) 3742 { 3743 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3744 3745 if (!(wiphy->flags & WIPHY_FLAG_SUPPORTS_TDLS) || 3746 !(wiphy->flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) 3747 return -ENOTSUPP; 3748 3749 /* make sure we are in station mode and connected */ 3750 if (!(priv->bss_type == MWIFIEX_BSS_TYPE_STA && priv->media_connected)) 3751 return -ENOTSUPP; 3752 3753 mwifiex_dbg(priv->adapter, MSG, 3754 "TDLS peer=%pM, oper=%d\n", peer, action); 3755 3756 switch (action) { 3757 case NL80211_TDLS_ENABLE_LINK: 3758 action = MWIFIEX_TDLS_ENABLE_LINK; 3759 break; 3760 case NL80211_TDLS_DISABLE_LINK: 3761 action = MWIFIEX_TDLS_DISABLE_LINK; 3762 break; 3763 case NL80211_TDLS_TEARDOWN: 3764 /* shouldn't happen!*/ 3765 mwifiex_dbg(priv->adapter, ERROR, 3766 "tdls_oper: teardown from driver not supported\n"); 3767 return -EINVAL; 3768 case NL80211_TDLS_SETUP: 3769 /* shouldn't happen!*/ 3770 mwifiex_dbg(priv->adapter, ERROR, 3771 "tdls_oper: setup from driver not supported\n"); 3772 return -EINVAL; 3773 case NL80211_TDLS_DISCOVERY_REQ: 3774 /* shouldn't happen!*/ 3775 mwifiex_dbg(priv->adapter, ERROR, 3776 "tdls_oper: discovery from driver not supported\n"); 3777 return -EINVAL; 3778 default: 3779 mwifiex_dbg(priv->adapter, ERROR, 3780 "tdls_oper: operation not supported\n"); 3781 return -ENOTSUPP; 3782 } 3783 3784 return mwifiex_tdls_oper(priv, peer, action); 3785 } 3786 3787 static int 3788 mwifiex_cfg80211_tdls_chan_switch(struct wiphy *wiphy, struct net_device *dev, 3789 const u8 *addr, u8 oper_class, 3790 struct cfg80211_chan_def *chandef) 3791 { 3792 struct mwifiex_sta_node *sta_ptr; 3793 unsigned long flags; 3794 u16 chan; 3795 u8 second_chan_offset, band; 3796 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3797 3798 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3799 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3800 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3801 3802 if (!sta_ptr) { 3803 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3804 __func__, addr); 3805 return -ENOENT; 3806 } 3807 3808 if (!(sta_ptr->tdls_cap.extcap.ext_capab[3] & 3809 WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)) { 3810 wiphy_err(wiphy, "%pM do not support tdls cs\n", addr); 3811 return -ENOENT; 3812 } 3813 3814 if (sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3815 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN) { 3816 wiphy_err(wiphy, "channel switch is running, abort request\n"); 3817 return -EALREADY; 3818 } 3819 3820 chan = chandef->chan->hw_value; 3821 second_chan_offset = mwifiex_get_sec_chan_offset(chan); 3822 band = chandef->chan->band; 3823 mwifiex_start_tdls_cs(priv, addr, chan, second_chan_offset, band); 3824 3825 return 0; 3826 } 3827 3828 static void 3829 mwifiex_cfg80211_tdls_cancel_chan_switch(struct wiphy *wiphy, 3830 struct net_device *dev, 3831 const u8 *addr) 3832 { 3833 struct mwifiex_sta_node *sta_ptr; 3834 unsigned long flags; 3835 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3836 3837 spin_lock_irqsave(&priv->sta_list_spinlock, flags); 3838 sta_ptr = mwifiex_get_sta_entry(priv, addr); 3839 spin_unlock_irqrestore(&priv->sta_list_spinlock, flags); 3840 3841 if (!sta_ptr) { 3842 wiphy_err(wiphy, "%s: Invalid TDLS peer %pM\n", 3843 __func__, addr); 3844 } else if (!(sta_ptr->tdls_status == TDLS_CHAN_SWITCHING || 3845 sta_ptr->tdls_status == TDLS_IN_BASE_CHAN || 3846 sta_ptr->tdls_status == TDLS_IN_OFF_CHAN)) { 3847 wiphy_err(wiphy, "tdls chan switch not initialize by %pM\n", 3848 addr); 3849 } else 3850 mwifiex_stop_tdls_cs(priv, addr); 3851 } 3852 3853 static int 3854 mwifiex_cfg80211_add_station(struct wiphy *wiphy, struct net_device *dev, 3855 const u8 *mac, struct station_parameters *params) 3856 { 3857 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3858 3859 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 3860 return -ENOTSUPP; 3861 3862 /* make sure we are in station mode and connected */ 3863 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 3864 return -ENOTSUPP; 3865 3866 return mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CREATE_LINK); 3867 } 3868 3869 static int 3870 mwifiex_cfg80211_channel_switch(struct wiphy *wiphy, struct net_device *dev, 3871 struct cfg80211_csa_settings *params) 3872 { 3873 struct ieee_types_header *chsw_ie; 3874 struct ieee80211_channel_sw_ie *channel_sw; 3875 int chsw_msec; 3876 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 3877 3878 if (priv->adapter->scan_processing) { 3879 mwifiex_dbg(priv->adapter, ERROR, 3880 "radar detection: scan in process...\n"); 3881 return -EBUSY; 3882 } 3883 3884 if (priv->wdev.cac_started) 3885 return -EBUSY; 3886 3887 if (cfg80211_chandef_identical(¶ms->chandef, 3888 &priv->dfs_chandef)) 3889 return -EINVAL; 3890 3891 chsw_ie = (void *)cfg80211_find_ie(WLAN_EID_CHANNEL_SWITCH, 3892 params->beacon_csa.tail, 3893 params->beacon_csa.tail_len); 3894 if (!chsw_ie) { 3895 mwifiex_dbg(priv->adapter, ERROR, 3896 "Could not parse channel switch announcement IE\n"); 3897 return -EINVAL; 3898 } 3899 3900 channel_sw = (void *)(chsw_ie + 1); 3901 if (channel_sw->mode) { 3902 if (netif_carrier_ok(priv->netdev)) 3903 netif_carrier_off(priv->netdev); 3904 mwifiex_stop_net_dev_queue(priv->netdev, priv->adapter); 3905 } 3906 3907 if (mwifiex_del_mgmt_ies(priv)) 3908 mwifiex_dbg(priv->adapter, ERROR, 3909 "Failed to delete mgmt IEs!\n"); 3910 3911 if (mwifiex_set_mgmt_ies(priv, ¶ms->beacon_csa)) { 3912 mwifiex_dbg(priv->adapter, ERROR, 3913 "%s: setting mgmt ies failed\n", __func__); 3914 return -EFAULT; 3915 } 3916 3917 memcpy(&priv->dfs_chandef, ¶ms->chandef, sizeof(priv->dfs_chandef)); 3918 memcpy(&priv->beacon_after, ¶ms->beacon_after, 3919 sizeof(priv->beacon_after)); 3920 3921 chsw_msec = max(channel_sw->count * priv->bss_cfg.beacon_period, 100); 3922 queue_delayed_work(priv->dfs_chan_sw_workqueue, &priv->dfs_chan_sw_work, 3923 msecs_to_jiffies(chsw_msec)); 3924 return 0; 3925 } 3926 3927 static int mwifiex_cfg80211_get_channel(struct wiphy *wiphy, 3928 struct wireless_dev *wdev, 3929 struct cfg80211_chan_def *chandef) 3930 { 3931 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3932 struct mwifiex_bssdescriptor *curr_bss; 3933 struct ieee80211_channel *chan; 3934 u8 second_chan_offset; 3935 enum nl80211_channel_type chan_type; 3936 enum nl80211_band band; 3937 int freq; 3938 int ret = -ENODATA; 3939 3940 if (GET_BSS_ROLE(priv) == MWIFIEX_BSS_ROLE_UAP && 3941 cfg80211_chandef_valid(&priv->bss_chandef)) { 3942 *chandef = priv->bss_chandef; 3943 ret = 0; 3944 } else if (priv->media_connected) { 3945 curr_bss = &priv->curr_bss_params.bss_descriptor; 3946 band = mwifiex_band_to_radio_type(priv->curr_bss_params.band); 3947 freq = ieee80211_channel_to_frequency(curr_bss->channel, band); 3948 chan = ieee80211_get_channel(wiphy, freq); 3949 3950 if (priv->ht_param_present) { 3951 second_chan_offset = priv->assoc_resp_ht_param & 3952 IEEE80211_HT_PARAM_CHA_SEC_OFFSET; 3953 chan_type = mwifiex_sec_chan_offset_to_chan_type 3954 (second_chan_offset); 3955 cfg80211_chandef_create(chandef, chan, chan_type); 3956 } else { 3957 cfg80211_chandef_create(chandef, chan, 3958 NL80211_CHAN_NO_HT); 3959 } 3960 ret = 0; 3961 } 3962 3963 return ret; 3964 } 3965 3966 #ifdef CONFIG_NL80211_TESTMODE 3967 3968 enum mwifiex_tm_attr { 3969 __MWIFIEX_TM_ATTR_INVALID = 0, 3970 MWIFIEX_TM_ATTR_CMD = 1, 3971 MWIFIEX_TM_ATTR_DATA = 2, 3972 3973 /* keep last */ 3974 __MWIFIEX_TM_ATTR_AFTER_LAST, 3975 MWIFIEX_TM_ATTR_MAX = __MWIFIEX_TM_ATTR_AFTER_LAST - 1, 3976 }; 3977 3978 static const struct nla_policy mwifiex_tm_policy[MWIFIEX_TM_ATTR_MAX + 1] = { 3979 [MWIFIEX_TM_ATTR_CMD] = { .type = NLA_U32 }, 3980 [MWIFIEX_TM_ATTR_DATA] = { .type = NLA_BINARY, 3981 .len = MWIFIEX_SIZE_OF_CMD_BUFFER }, 3982 }; 3983 3984 enum mwifiex_tm_command { 3985 MWIFIEX_TM_CMD_HOSTCMD = 0, 3986 }; 3987 3988 static int mwifiex_tm_cmd(struct wiphy *wiphy, struct wireless_dev *wdev, 3989 void *data, int len) 3990 { 3991 struct mwifiex_private *priv = mwifiex_netdev_get_priv(wdev->netdev); 3992 struct mwifiex_ds_misc_cmd *hostcmd; 3993 struct nlattr *tb[MWIFIEX_TM_ATTR_MAX + 1]; 3994 struct sk_buff *skb; 3995 int err; 3996 3997 if (!priv) 3998 return -EINVAL; 3999 4000 err = nla_parse(tb, MWIFIEX_TM_ATTR_MAX, data, len, 4001 mwifiex_tm_policy); 4002 if (err) 4003 return err; 4004 4005 if (!tb[MWIFIEX_TM_ATTR_CMD]) 4006 return -EINVAL; 4007 4008 switch (nla_get_u32(tb[MWIFIEX_TM_ATTR_CMD])) { 4009 case MWIFIEX_TM_CMD_HOSTCMD: 4010 if (!tb[MWIFIEX_TM_ATTR_DATA]) 4011 return -EINVAL; 4012 4013 hostcmd = kzalloc(sizeof(*hostcmd), GFP_KERNEL); 4014 if (!hostcmd) 4015 return -ENOMEM; 4016 4017 hostcmd->len = nla_len(tb[MWIFIEX_TM_ATTR_DATA]); 4018 memcpy(hostcmd->cmd, nla_data(tb[MWIFIEX_TM_ATTR_DATA]), 4019 hostcmd->len); 4020 4021 if (mwifiex_send_cmd(priv, 0, 0, 0, hostcmd, true)) { 4022 dev_err(priv->adapter->dev, "Failed to process hostcmd\n"); 4023 return -EFAULT; 4024 } 4025 4026 /* process hostcmd response*/ 4027 skb = cfg80211_testmode_alloc_reply_skb(wiphy, hostcmd->len); 4028 if (!skb) 4029 return -ENOMEM; 4030 err = nla_put(skb, MWIFIEX_TM_ATTR_DATA, 4031 hostcmd->len, hostcmd->cmd); 4032 if (err) { 4033 kfree_skb(skb); 4034 return -EMSGSIZE; 4035 } 4036 4037 err = cfg80211_testmode_reply(skb); 4038 kfree(hostcmd); 4039 return err; 4040 default: 4041 return -EOPNOTSUPP; 4042 } 4043 } 4044 #endif 4045 4046 static int 4047 mwifiex_cfg80211_start_radar_detection(struct wiphy *wiphy, 4048 struct net_device *dev, 4049 struct cfg80211_chan_def *chandef, 4050 u32 cac_time_ms) 4051 { 4052 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4053 struct mwifiex_radar_params radar_params; 4054 4055 if (priv->adapter->scan_processing) { 4056 mwifiex_dbg(priv->adapter, ERROR, 4057 "radar detection: scan already in process...\n"); 4058 return -EBUSY; 4059 } 4060 4061 if (!mwifiex_is_11h_active(priv)) { 4062 mwifiex_dbg(priv->adapter, INFO, 4063 "Enable 11h extensions in FW\n"); 4064 if (mwifiex_11h_activate(priv, true)) { 4065 mwifiex_dbg(priv->adapter, ERROR, 4066 "Failed to activate 11h extensions!!"); 4067 return -1; 4068 } 4069 priv->state_11h.is_11h_active = true; 4070 } 4071 4072 memset(&radar_params, 0, sizeof(struct mwifiex_radar_params)); 4073 radar_params.chandef = chandef; 4074 radar_params.cac_time_ms = cac_time_ms; 4075 4076 memcpy(&priv->dfs_chandef, chandef, sizeof(priv->dfs_chandef)); 4077 4078 if (mwifiex_send_cmd(priv, HostCmd_CMD_CHAN_REPORT_REQUEST, 4079 HostCmd_ACT_GEN_SET, 0, &radar_params, true)) 4080 return -1; 4081 4082 queue_delayed_work(priv->dfs_cac_workqueue, &priv->dfs_cac_work, 4083 msecs_to_jiffies(cac_time_ms)); 4084 return 0; 4085 } 4086 4087 static int 4088 mwifiex_cfg80211_change_station(struct wiphy *wiphy, struct net_device *dev, 4089 const u8 *mac, 4090 struct station_parameters *params) 4091 { 4092 int ret; 4093 struct mwifiex_private *priv = mwifiex_netdev_get_priv(dev); 4094 4095 /* we support change_station handler only for TDLS peers*/ 4096 if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) 4097 return -ENOTSUPP; 4098 4099 /* make sure we are in station mode and connected */ 4100 if ((priv->bss_type != MWIFIEX_BSS_TYPE_STA) || !priv->media_connected) 4101 return -ENOTSUPP; 4102 4103 priv->sta_params = params; 4104 4105 ret = mwifiex_tdls_oper(priv, mac, MWIFIEX_TDLS_CONFIG_LINK); 4106 priv->sta_params = NULL; 4107 4108 return ret; 4109 } 4110 4111 /* station cfg80211 operations */ 4112 static struct cfg80211_ops mwifiex_cfg80211_ops = { 4113 .add_virtual_intf = mwifiex_add_virtual_intf, 4114 .del_virtual_intf = mwifiex_del_virtual_intf, 4115 .change_virtual_intf = mwifiex_cfg80211_change_virtual_intf, 4116 .scan = mwifiex_cfg80211_scan, 4117 .connect = mwifiex_cfg80211_connect, 4118 .disconnect = mwifiex_cfg80211_disconnect, 4119 .get_station = mwifiex_cfg80211_get_station, 4120 .dump_station = mwifiex_cfg80211_dump_station, 4121 .dump_survey = mwifiex_cfg80211_dump_survey, 4122 .set_wiphy_params = mwifiex_cfg80211_set_wiphy_params, 4123 .join_ibss = mwifiex_cfg80211_join_ibss, 4124 .leave_ibss = mwifiex_cfg80211_leave_ibss, 4125 .add_key = mwifiex_cfg80211_add_key, 4126 .del_key = mwifiex_cfg80211_del_key, 4127 .set_default_mgmt_key = mwifiex_cfg80211_set_default_mgmt_key, 4128 .mgmt_tx = mwifiex_cfg80211_mgmt_tx, 4129 .mgmt_frame_register = mwifiex_cfg80211_mgmt_frame_register, 4130 .remain_on_channel = mwifiex_cfg80211_remain_on_channel, 4131 .cancel_remain_on_channel = mwifiex_cfg80211_cancel_remain_on_channel, 4132 .set_default_key = mwifiex_cfg80211_set_default_key, 4133 .set_power_mgmt = mwifiex_cfg80211_set_power_mgmt, 4134 .set_tx_power = mwifiex_cfg80211_set_tx_power, 4135 .get_tx_power = mwifiex_cfg80211_get_tx_power, 4136 .set_bitrate_mask = mwifiex_cfg80211_set_bitrate_mask, 4137 .start_ap = mwifiex_cfg80211_start_ap, 4138 .stop_ap = mwifiex_cfg80211_stop_ap, 4139 .change_beacon = mwifiex_cfg80211_change_beacon, 4140 .set_cqm_rssi_config = mwifiex_cfg80211_set_cqm_rssi_config, 4141 .set_antenna = mwifiex_cfg80211_set_antenna, 4142 .get_antenna = mwifiex_cfg80211_get_antenna, 4143 .del_station = mwifiex_cfg80211_del_station, 4144 .sched_scan_start = mwifiex_cfg80211_sched_scan_start, 4145 .sched_scan_stop = mwifiex_cfg80211_sched_scan_stop, 4146 #ifdef CONFIG_PM 4147 .suspend = mwifiex_cfg80211_suspend, 4148 .resume = mwifiex_cfg80211_resume, 4149 .set_wakeup = mwifiex_cfg80211_set_wakeup, 4150 .set_rekey_data = mwifiex_set_rekey_data, 4151 #endif 4152 .set_coalesce = mwifiex_cfg80211_set_coalesce, 4153 .tdls_mgmt = mwifiex_cfg80211_tdls_mgmt, 4154 .tdls_oper = mwifiex_cfg80211_tdls_oper, 4155 .tdls_channel_switch = mwifiex_cfg80211_tdls_chan_switch, 4156 .tdls_cancel_channel_switch = mwifiex_cfg80211_tdls_cancel_chan_switch, 4157 .add_station = mwifiex_cfg80211_add_station, 4158 .change_station = mwifiex_cfg80211_change_station, 4159 CFG80211_TESTMODE_CMD(mwifiex_tm_cmd) 4160 .get_channel = mwifiex_cfg80211_get_channel, 4161 .start_radar_detection = mwifiex_cfg80211_start_radar_detection, 4162 .channel_switch = mwifiex_cfg80211_channel_switch, 4163 }; 4164 4165 #ifdef CONFIG_PM 4166 static const struct wiphy_wowlan_support mwifiex_wowlan_support = { 4167 .flags = WIPHY_WOWLAN_MAGIC_PKT | WIPHY_WOWLAN_DISCONNECT | 4168 WIPHY_WOWLAN_NET_DETECT | WIPHY_WOWLAN_SUPPORTS_GTK_REKEY | 4169 WIPHY_WOWLAN_GTK_REKEY_FAILURE, 4170 .n_patterns = MWIFIEX_MEF_MAX_FILTERS, 4171 .pattern_min_len = 1, 4172 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4173 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4174 .max_nd_match_sets = MWIFIEX_MAX_ND_MATCH_SETS, 4175 }; 4176 #endif 4177 4178 static bool mwifiex_is_valid_alpha2(const char *alpha2) 4179 { 4180 if (!alpha2 || strlen(alpha2) != 2) 4181 return false; 4182 4183 if (isalpha(alpha2[0]) && isalpha(alpha2[1])) 4184 return true; 4185 4186 return false; 4187 } 4188 4189 static const struct wiphy_coalesce_support mwifiex_coalesce_support = { 4190 .n_rules = MWIFIEX_COALESCE_MAX_RULES, 4191 .max_delay = MWIFIEX_MAX_COALESCING_DELAY, 4192 .n_patterns = MWIFIEX_COALESCE_MAX_FILTERS, 4193 .pattern_min_len = 1, 4194 .pattern_max_len = MWIFIEX_MAX_PATTERN_LEN, 4195 .max_pkt_offset = MWIFIEX_MAX_OFFSET_LEN, 4196 }; 4197 4198 int mwifiex_init_channel_scan_gap(struct mwifiex_adapter *adapter) 4199 { 4200 u32 n_channels_bg, n_channels_a = 0; 4201 4202 n_channels_bg = mwifiex_band_2ghz.n_channels; 4203 4204 if (adapter->config_bands & BAND_A) 4205 n_channels_a = mwifiex_band_5ghz.n_channels; 4206 4207 adapter->num_in_chan_stats = max_t(u32, n_channels_bg, n_channels_a); 4208 adapter->chan_stats = vmalloc(sizeof(*adapter->chan_stats) * 4209 adapter->num_in_chan_stats); 4210 4211 if (!adapter->chan_stats) 4212 return -ENOMEM; 4213 4214 return 0; 4215 } 4216 4217 /* 4218 * This function registers the device with CFG802.11 subsystem. 4219 * 4220 * The function creates the wireless device/wiphy, populates it with 4221 * default parameters and handler function pointers, and finally 4222 * registers the device. 4223 */ 4224 4225 int mwifiex_register_cfg80211(struct mwifiex_adapter *adapter) 4226 { 4227 int ret; 4228 void *wdev_priv; 4229 struct wiphy *wiphy; 4230 struct mwifiex_private *priv = adapter->priv[MWIFIEX_BSS_TYPE_STA]; 4231 u8 *country_code; 4232 u32 thr, retry; 4233 4234 /* create a new wiphy for use with cfg80211 */ 4235 wiphy = wiphy_new(&mwifiex_cfg80211_ops, 4236 sizeof(struct mwifiex_adapter *)); 4237 if (!wiphy) { 4238 mwifiex_dbg(adapter, ERROR, 4239 "%s: creating new wiphy\n", __func__); 4240 return -ENOMEM; 4241 } 4242 wiphy->max_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4243 wiphy->max_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4244 wiphy->mgmt_stypes = mwifiex_mgmt_stypes; 4245 wiphy->max_remain_on_channel_duration = 5000; 4246 wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | 4247 BIT(NL80211_IFTYPE_ADHOC) | 4248 BIT(NL80211_IFTYPE_P2P_CLIENT) | 4249 BIT(NL80211_IFTYPE_P2P_GO) | 4250 BIT(NL80211_IFTYPE_AP); 4251 4252 wiphy->bands[NL80211_BAND_2GHZ] = &mwifiex_band_2ghz; 4253 if (adapter->config_bands & BAND_A) 4254 wiphy->bands[NL80211_BAND_5GHZ] = &mwifiex_band_5ghz; 4255 else 4256 wiphy->bands[NL80211_BAND_5GHZ] = NULL; 4257 4258 if (adapter->drcs_enabled && ISSUPP_DRCS_ENABLED(adapter->fw_cap_info)) 4259 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_drcs; 4260 else if (adapter->is_hw_11ac_capable) 4261 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta_vht; 4262 else 4263 wiphy->iface_combinations = &mwifiex_iface_comb_ap_sta; 4264 wiphy->n_iface_combinations = 1; 4265 4266 /* Initialize cipher suits */ 4267 wiphy->cipher_suites = mwifiex_cipher_suites; 4268 wiphy->n_cipher_suites = ARRAY_SIZE(mwifiex_cipher_suites); 4269 4270 if (adapter->regd) { 4271 wiphy->regulatory_flags |= REGULATORY_CUSTOM_REG | 4272 REGULATORY_DISABLE_BEACON_HINTS | 4273 REGULATORY_COUNTRY_IE_IGNORE; 4274 wiphy_apply_custom_regulatory(wiphy, adapter->regd); 4275 } 4276 4277 ether_addr_copy(wiphy->perm_addr, adapter->perm_addr); 4278 wiphy->signal_type = CFG80211_SIGNAL_TYPE_MBM; 4279 wiphy->flags |= WIPHY_FLAG_HAVE_AP_SME | 4280 WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD | 4281 WIPHY_FLAG_AP_UAPSD | 4282 WIPHY_FLAG_SUPPORTS_SCHED_SCAN | 4283 WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL | 4284 WIPHY_FLAG_HAS_CHANNEL_SWITCH | 4285 WIPHY_FLAG_PS_ON_BY_DEFAULT; 4286 4287 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4288 wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS | 4289 WIPHY_FLAG_TDLS_EXTERNAL_SETUP; 4290 4291 #ifdef CONFIG_PM 4292 wiphy->wowlan = &mwifiex_wowlan_support; 4293 #endif 4294 4295 wiphy->coalesce = &mwifiex_coalesce_support; 4296 4297 wiphy->probe_resp_offload = NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS | 4298 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_WPS2 | 4299 NL80211_PROBE_RESP_OFFLOAD_SUPPORT_P2P; 4300 4301 wiphy->max_sched_scan_ssids = MWIFIEX_MAX_SSID_LIST_LENGTH; 4302 wiphy->max_sched_scan_ie_len = MWIFIEX_MAX_VSIE_LEN; 4303 wiphy->max_match_sets = MWIFIEX_MAX_SSID_LIST_LENGTH; 4304 4305 wiphy->available_antennas_tx = BIT(adapter->number_of_antenna) - 1; 4306 wiphy->available_antennas_rx = BIT(adapter->number_of_antenna) - 1; 4307 4308 wiphy->features |= NL80211_FEATURE_HT_IBSS | 4309 NL80211_FEATURE_INACTIVITY_TIMER | 4310 NL80211_FEATURE_LOW_PRIORITY_SCAN | 4311 NL80211_FEATURE_NEED_OBSS_SCAN | 4312 NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR | 4313 NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | 4314 NL80211_FEATURE_ND_RANDOM_MAC_ADDR; 4315 4316 if (ISSUPP_TDLS_ENABLED(adapter->fw_cap_info)) 4317 wiphy->features |= NL80211_FEATURE_TDLS_CHANNEL_SWITCH; 4318 4319 if (adapter->fw_api_ver == MWIFIEX_FW_V15) 4320 wiphy->features |= NL80211_FEATURE_SK_TX_STATUS; 4321 4322 /* Reserve space for mwifiex specific private data for BSS */ 4323 wiphy->bss_priv_size = sizeof(struct mwifiex_bss_priv); 4324 4325 wiphy->reg_notifier = mwifiex_reg_notifier; 4326 4327 /* Set struct mwifiex_adapter pointer in wiphy_priv */ 4328 wdev_priv = wiphy_priv(wiphy); 4329 *(unsigned long *)wdev_priv = (unsigned long)adapter; 4330 4331 set_wiphy_dev(wiphy, priv->adapter->dev); 4332 4333 ret = wiphy_register(wiphy); 4334 if (ret < 0) { 4335 mwifiex_dbg(adapter, ERROR, 4336 "%s: wiphy_register failed: %d\n", __func__, ret); 4337 wiphy_free(wiphy); 4338 return ret; 4339 } 4340 4341 if (!adapter->regd) { 4342 if (reg_alpha2 && mwifiex_is_valid_alpha2(reg_alpha2)) { 4343 mwifiex_dbg(adapter, INFO, 4344 "driver hint alpha2: %2.2s\n", reg_alpha2); 4345 regulatory_hint(wiphy, reg_alpha2); 4346 } else { 4347 if (adapter->region_code == 0x00) { 4348 mwifiex_dbg(adapter, WARN, 4349 "Ignore world regulatory domain\n"); 4350 } else { 4351 wiphy->regulatory_flags |= 4352 REGULATORY_DISABLE_BEACON_HINTS | 4353 REGULATORY_COUNTRY_IE_IGNORE; 4354 country_code = 4355 mwifiex_11d_code_2_region( 4356 adapter->region_code); 4357 if (country_code && 4358 regulatory_hint(wiphy, country_code)) 4359 mwifiex_dbg(priv->adapter, ERROR, 4360 "regulatory_hint() failed\n"); 4361 } 4362 } 4363 } 4364 4365 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4366 HostCmd_ACT_GEN_GET, FRAG_THRESH_I, &thr, true); 4367 wiphy->frag_threshold = thr; 4368 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4369 HostCmd_ACT_GEN_GET, RTS_THRESH_I, &thr, true); 4370 wiphy->rts_threshold = thr; 4371 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4372 HostCmd_ACT_GEN_GET, SHORT_RETRY_LIM_I, &retry, true); 4373 wiphy->retry_short = (u8) retry; 4374 mwifiex_send_cmd(priv, HostCmd_CMD_802_11_SNMP_MIB, 4375 HostCmd_ACT_GEN_GET, LONG_RETRY_LIM_I, &retry, true); 4376 wiphy->retry_long = (u8) retry; 4377 4378 adapter->wiphy = wiphy; 4379 return ret; 4380 } 4381